/* ===== CSS Variables - Ultra Minimal Design ===== */
:root {
  /* Light Theme - Clean & Minimal */
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --bg-canvas: #f3f3f3;

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-tertiary: #94a3b8;
  --text-inverse: #ffffff;

  --border-light: #e2e8f0;
  --border-medium: #cbd5e1;

  --accent-primary: #2563eb;
  --accent-secondary: #3b82f6;
  --accent-light: rgba(37, 99, 235, 0.12);
  --today-accent: #3b82f6;
  --today-accent-soft: rgba(59, 130, 246, 0.18);

  /* Minimal shadows - very subtle */
  --node-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
  --node-shadow-hover: 0 2px 6px rgba(0, 0, 0, 0.06);
  --node-shadow-active: 0 3px 10px rgba(0, 0, 0, 0.08);

  --sidebar-width: 260px;
  --toolbar-height: 52px;

  /* Smooth rounded corners */
  --radius-sm: 5px;
  --radius-md: 7px;
  --radius-lg: 9px;
  --radius-xl: 12px;

  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
  --transition-slow: 0.35s ease;

  --drop-line: color-mix(in srgb, var(--accent-primary) 35%, var(--border-light));
  --drop-line-strong: color-mix(in srgb, var(--accent-primary) 55%, var(--border-medium));
  --drop-fill: color-mix(in srgb, var(--accent-primary) 6%, var(--bg-secondary));
  --drop-outline: color-mix(in srgb, var(--accent-primary) 45%, var(--border-medium));

  --danger: #ef4444;
  --danger-light: rgba(239, 68, 68, 0.14);
  --success: #22c55e;
  --success-light: rgba(34, 197, 94, 0.14);

  --node-icon-size: 30px;
  --kanban-node-icon-size: 18px;

  --mobile-bottom-bar-height: 64px;
}

/* Utility */
.hidden {
  display: none !important;
}

/* Dark Theme - Warm & Elegant */
[data-theme='dark'] {
  --bg-primary: #242427;
  --bg-secondary: #2c2c31;
  --bg-tertiary: #35353b;
  --bg-canvas: #17171a;

  --text-primary: #f5f0ed;
  --text-secondary: #b0a8a3;
  --text-tertiary: #6b6560;
  --text-inverse: #1a1a1d;

  --border-light: #3a3a40;
  --border-medium: #4a4a52;

  --accent-primary: #f5f0ed;
  --accent-secondary: #d4ccc7;
  --accent-light: rgba(245, 240, 237, 0.08);
  --today-accent: #60a5fa;
  --today-accent-soft: rgba(96, 165, 250, 0.18);

  --node-shadow: 0 1px 4px rgba(0, 0, 0, 0.15);
  --node-shadow-hover: 0 2px 8px rgba(0, 0, 0, 0.2);
  --node-shadow-active: 0 4px 12px rgba(0, 0, 0, 0.25);

  --danger: #ef9a9a;
  --danger-light: rgba(239, 154, 154, 0.15);
  --success: #a5d6a7;
  --success-light: rgba(165, 214, 167, 0.15);
}

/* Illuminated Theme - Spotlight */
[data-theme='illuminated'] {
  --bg-primary: #151518;
  --bg-secondary: #1d1d22;
  --bg-tertiary: #26262d;
  --bg-canvas: #0e0e12;

  --text-primary: #f6f1e8;
  --text-secondary: #c8c0b7;
  --text-tertiary: #6c6770;
  --text-inverse: #0b0b0e;

  --border-light: #2e2e36;
  --border-medium: #3b3b46;

  --accent-primary: #f6f1e8;
  --accent-secondary: #d9d2c9;
  --accent-light: rgba(246, 241, 232, 0.08);
  --today-accent: #93c5fd;
  --today-accent-soft: rgba(147, 197, 253, 0.2);

  --node-shadow: 0 1px 6px rgba(0, 0, 0, 0.25);
  --node-shadow-hover: 0 3px 12px rgba(0, 0, 0, 0.35);
  --node-shadow-active: 0 6px 16px rgba(0, 0, 0, 0.45);

  --danger: #ef9a9a;
  --danger-light: rgba(239, 154, 154, 0.15);
  --success: #a5d6a7;
  --success-light: rgba(165, 214, 167, 0.15);

  --spotlight-bg-primary: #e8e3d8;
  --spotlight-bg-secondary: #e1dbcf;
  --spotlight-bg-tertiary: #d9d3c6;
  --spotlight-text-primary: #1f1f22;
  --spotlight-text-secondary: #4b4b51;
  --spotlight-text-tertiary: #7a7a82;
  --spotlight-border-light: #e7dfd6;
  --spotlight-border-medium: #d7cdc2;
  --spotlight-accent-primary: #1f1f22;
  --spotlight-accent-secondary: #3a3a40;
  --spotlight-accent-light: rgba(31, 31, 34, 0.08);
}

/* ===== Reset & Base ===== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  overflow: hidden;
}

body {
  font-family:
    'Inter',
    -apple-system,
    BlinkMacSystemFont,
    'Segoe UI',
    Roboto,
    sans-serif;
  background: var(--bg-canvas);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  font-size: inherit;
}

input,
textarea {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
  background: transparent;
}

/* ===== App Layout ===== */
#app {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* ===== Sidebar ===== */
.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-primary);
  border-right: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  z-index: 100;
}

.sidebar-header {
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--border-light);
}

.logo {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 16px 12px;
}

.nav-section h3 {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-tertiary);
  padding: 0 8px;
  margin-bottom: 8px;
}

.maps-list {
  list-style: none;
  margin-bottom: 12px;
}

.maps-list li {
  margin-bottom: 2px;
}

.map-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  cursor: pointer;
  width: 100%;
  text-align: left;
}

.map-item:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.map-item.active {
  background: var(--accent-light);
  color: var(--accent-primary);
}

.map-item-icon {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.map-item-name {
  flex: 1;
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.map-item-count {
  font-size: 12px;
  color: var(--text-tertiary);
  background: var(--bg-tertiary);
  padding: 2px 8px;
  border-radius: 10px;
}

.add-map-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  width: 100%;
  border-radius: var(--radius-md);
  color: var(--text-tertiary);
  font-size: 14px;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.add-map-btn:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.sidebar-footer {
  padding: 12px;
  border-top: 1px solid var(--border-light);
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  color: var(--text-tertiary);
  transition: all var(--transition-fast);
}

.theme-toggle:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.theme-toggle .moon-icon,
#toggle-theme .moon-icon {
  display: none;
}

.theme-toggle .flashlight-icon,
#toggle-theme .flashlight-icon {
  display: none;
}

[data-theme='dark'] .theme-toggle .sun-icon,
[data-theme='dark'] #toggle-theme .sun-icon {
  display: none;
}

[data-theme='dark'] .theme-toggle .moon-icon,
[data-theme='dark'] #toggle-theme .moon-icon {
  display: inline-block;
}

[data-theme='illuminated'] .theme-toggle .sun-icon,
[data-theme='illuminated'] #toggle-theme .sun-icon,
[data-theme='illuminated'] .theme-toggle .moon-icon,
[data-theme='illuminated'] #toggle-theme .moon-icon {
  display: none;
}

[data-theme='illuminated'] .theme-toggle .flashlight-icon,
[data-theme='illuminated'] #toggle-theme .flashlight-icon {
  display: inline-block;
}

/* Fullscreen toggle button */
#toggle-fullscreen .fullscreen-collapse {
  display: none;
}

body.is-fullscreen #toggle-fullscreen .fullscreen-expand {
  display: none;
}

body.is-fullscreen #toggle-fullscreen .fullscreen-collapse {
  display: inline-block;
}

/* ===== Single Map Layout ===== */
.app-single .sidebar {
  display: none;
}

.canvas-area.full-width {
  width: 100%;
}

.app-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  margin-right: 24px;
}

.app-logo-icon {
  width: 24px;
  height: 24px;
  color: var(--accent-primary);
  flex-shrink: 0;
}

/* ===== Canvas Area ===== */
.canvas-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
}

.canvas-toolbar {
  height: var(--toolbar-height);
  background: var(--bg-primary);
  border-bottom: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  gap: 20px;
  flex-shrink: 0;
}

.toolbar-left,
.toolbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.toolbar-group {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: 0;
}

.toolbar-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-tertiary);
}

.toolbar-center {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex: 1;
  min-width: 0;
  gap: 16px;
  background: transparent;
  padding: 0 20px;
  border-radius: 0;
}


.map-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  outline: none;
  border: 2px solid transparent;
  transition: all var(--transition-fast);
  max-width: 300px;
}

.map-title:hover {
  background: var(--bg-tertiary);
}

.map-title:focus {
  background: var(--bg-primary);
  border-color: var(--accent-primary);
}

.toolbar-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  color: var(--text-tertiary);
  transition: all var(--transition-fast);
}

.toolbar-btn:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.language-switcher {
  display: flex;
  align-items: center;
}

.language-select {
  height: 28px;
  padding: 0 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: var(--bg-secondary);
  color: var(--text-secondary);
  font-size: 12px;
}

.language-select:focus {
  outline: none;
  border-color: var(--accent-primary);
  color: var(--text-primary);
}

.user-dropdown-item.language-setting {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-right: 14px;
}

.user-dropdown-item.language-setting .language-select {
  height: 26px;
  font-size: 11px;
  margin-left: auto;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Botones de Utilidades y Lienzo - estilo minimalista con sombra sutil */
.utilities-group .toolbar-btn,
.canvas-mode-group .toolbar-btn {
  width: 26px;
  height: 26px;
  background: var(--bg-secondary);
  border-radius: 50%;
  box-shadow:
    0 1px 2px rgba(0, 0, 0, 0.06),
    0 1px 3px rgba(0, 0, 0, 0.04);
  color: var(--text-secondary);
}

.utilities-group .toolbar-btn i,
.canvas-mode-group .toolbar-btn i {
  font-size: 14px;
}

.utilities-group .toolbar-btn:hover,
.canvas-mode-group .toolbar-btn:hover {
  background: var(--bg-tertiary);
  box-shadow:
    0 2px 4px rgba(0, 0, 0, 0.08),
    0 1px 2px rgba(0, 0, 0, 0.06);
  color: var(--text-primary);
}

.toolbar-btn svg,
.toolbar-btn i {
  font-size: 16px;
  width: 16px;
  height: 16px;
}

#save-now.save-btn {
  color: var(--text-secondary);
}

#save-now.save-btn:hover {
  color: var(--text-primary);
}

.save-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  border-radius: 999px;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  font-size: 11px;
  line-height: 1;
  white-space: nowrap;
}

.save-status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-tertiary);
}

.save-status.saved {
  color: #16a34a;
}

.save-status.saved .save-status-dot {
  background: #16a34a;
}

.save-status.unsaved {
  color: #dc2626;
}

.save-status.unsaved .save-status-dot {
  background: #dc2626;
}

.save-status.saving {
  color: #d97706;
}

.save-status.saving .save-status-dot {
  background: #d97706;
}

.save-status.local {
  color: var(--text-tertiary);
}

.save-status.local .save-status-dot {
  background: var(--text-tertiary);
}

.save-status.error {
  color: #dc2626;
  animation: pulse-error 1s ease-in-out infinite;
}

.save-status.error .save-status-dot {
  background: #dc2626;
  animation: pulse-dot 1s ease-in-out infinite;
}

@keyframes pulse-error {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.6;
  }
}

@keyframes pulse-dot {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.3);
  }
}

#help-btn {
  color: var(--text-secondary);
}

#help-btn:hover {
  color: var(--accent-primary);
}

.toolbar-btn.danger:hover {
  background: var(--danger-light);
  color: var(--danger);
}

.toolbar-btn.disabled,
.toolbar-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

.toolbar-divider {
  width: 1px;
  height: 16px;
  background: var(--border-light);
  margin: 0 6px;
}

.view-switch {
  position: relative;
  display: flex;
  align-items: center;
  padding: 2px;
  gap: 2px;
  border-radius: 999px;
  background: var(--bg-tertiary);
  border: none;
  box-shadow:
    inset 0 2px 4px rgba(0, 0, 0, 0.15),
    inset 0 1px 2px rgba(0, 0, 0, 0.1);
  font-size: 0;
  font-weight: 500;
  color: var(--text-secondary);
  transition:
    box-shadow var(--transition-normal),
    border-color var(--transition-fast);
}

.toolbar-left .view-switch {
  margin-left: 12px;
  flex-shrink: 0;
}

.view-switch:hover {
  box-shadow:
    inset 0 2px 4px rgba(0, 0, 0, 0.15),
    inset 0 1px 2px rgba(0, 0, 0, 0.1);
}

.view-switch-thumb {
  position: absolute;
  top: 2px;
  bottom: 2px;
  left: 2px;
  width: 26px;
  border-radius: 50%;
  background: var(--bg-primary);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.15);
  transition:
    transform var(--transition-normal),
    background var(--transition-fast);
  transform: translateX(0);
}

.kanban-view .view-switch-thumb {
  transform: translateX(28px);
}

.today-view .view-switch-thumb {
  transform: translateX(56px);
}

.view-option {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  padding: 0;
  border-radius: 50%;
  color: inherit;
  cursor: pointer;
  transition:
    color var(--transition-fast),
    opacity var(--transition-fast);
}

.view-option i {
  font-size: 16px;
}

.today-badge {
  position: absolute;
  top: -3px;
  right: -3px;
  min-width: 12px;
  height: 12px;
  padding: 0 3px;
  font-size: 8px;
  font-weight: 600;
  line-height: 12px;
  text-align: center;
  color: #fff;
  background: rgba(59, 130, 246, 0.85);
  border-radius: 6px;
  pointer-events: none;
}

.today-badge.hidden {
  display: none;
}

.view-option::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: var(--bg-primary);
  opacity: 0;
  transition: opacity var(--transition-fast);
  z-index: -1;
}

body:not(.kanban-view):not(.today-view) .view-option.tree-option,
.kanban-view .view-option.kanban-option,
.today-view .view-option.today-option {
  color: var(--accent-primary);
}

.kanban-view .view-option.tree-option,
.today-view .view-option.tree-option,
body:not(.kanban-view):not(.today-view) .view-option.kanban-option,
body:not(.kanban-view):not(.today-view) .view-option.today-option,
.kanban-view .view-option.today-option,
.today-view .view-option.kanban-option {
  color: var(--text-secondary);
  opacity: 0.7;
}

body:not(.kanban-view):not(.today-view) .view-option.tree-option::after,
.kanban-view .view-option.kanban-option::after,
.today-view .view-option.today-option::after {
  opacity: 1;
}

@media (max-width: 640px) {
  .view-switch {
    grid-template-columns: repeat(3, minmax(44px, 1fr));
    font-size: 0;
    padding: 2px;
  }

  .view-option {
    width: 24px;
    height: 24px;
  }

  .save-status {
    padding: 4px 6px;
  }

  .save-status-text {
    display: none;
  }
}

/* ===== New Tutorial Modal ===== */
.tutorial-modal {
  position: fixed;
  inset: 0;
  z-index: 9000; /* Below auth-modal (10000) so it doesn't cover login */
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.tutorial-modal.hidden {
  display: none;
}

.tutorial-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.7);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
  animation: tutorialFadeIn 0.3s ease;
}

.tutorial-container {
  position: relative;
  width: 100%;
  max-width: 520px;
  background: var(--bg-primary);
  border-radius: 20px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.3);
  overflow: hidden;
  animation: tutorialSlideUp 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.tutorial-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  z-index: 10;
  transition: all 0.2s ease;
}

.tutorial-close:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

/* Progress bar */
.tutorial-progress {
  height: 4px;
  background: var(--bg-tertiary);
  overflow: hidden;
}

.tutorial-progress-bar {
  height: 100%;
  background: linear-gradient(90deg, #6366f1, #8b5cf6);
  transition: width 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  width: 0%;
}

/* Slides container */
.tutorial-slides {
  position: relative;
  overflow: hidden;
}

.tutorial-slide {
  display: none;
  padding: 48px 40px 32px;
  text-align: center;
  animation: tutorialSlideIn 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.tutorial-slide.active {
  display: block;
}

.tutorial-slide.slide-out-left {
  animation: tutorialSlideOutLeft 0.3s ease forwards;
}

.tutorial-slide.slide-out-right {
  animation: tutorialSlideOutRight 0.3s ease forwards;
}

/* Slide icons */
.tutorial-slide-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 24px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  animation: tutorialIconPulse 2s ease-in-out infinite;
}

.tutorial-icon-welcome {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(139, 92, 246, 0.15));
  color: #6366f1;
}

.tutorial-icon-views {
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.15), rgba(20, 184, 166, 0.15));
  color: #22c55e;
}

.tutorial-icon-nodes {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(99, 102, 241, 0.15));
  color: #3b82f6;
}

.tutorial-icon-tasks {
  background: linear-gradient(135deg, rgba(236, 72, 153, 0.15), rgba(139, 92, 246, 0.15));
  color: #ec4899;
}

.tutorial-icon-customize {
  background: linear-gradient(135deg, rgba(249, 115, 22, 0.15), rgba(234, 179, 8, 0.15));
  color: #f97316;
}

.tutorial-icon-share {
  background: linear-gradient(135deg, rgba(20, 184, 166, 0.15), rgba(34, 197, 94, 0.15));
  color: #14b8a6;
}

.tutorial-icon-ready {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.15), rgba(236, 72, 153, 0.15));
  color: #6366f1;
}

.tutorial-slide h2 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.tutorial-slide p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 400px;
  margin: 0 auto 24px;
}

.tutorial-subtitle {
  font-size: 16px !important;
  color: var(--text-tertiary) !important;
}

/* Features grid (welcome slide) */
.tutorial-features {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-top: 8px;
}

.tutorial-feature {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.tutorial-feature i {
  font-size: 28px;
  color: var(--accent-primary);
}

.tutorial-feature span {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 500;
}

/* Views demo */
.tutorial-views-demo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 8px;
}

.tutorial-view-card {
  padding: 16px 20px;
  background: var(--bg-secondary);
  border-radius: 12px;
  border: 2px solid transparent;
  transition: all 0.3s ease;
}

.tutorial-view-card.active {
  border-color: var(--accent-primary);
  background: rgba(99, 102, 241, 0.08);
}

.tutorial-view-card i {
  font-size: 24px;
  color: var(--text-tertiary);
  display: block;
  margin-bottom: 8px;
}

.tutorial-view-card.active i {
  color: var(--accent-primary);
}

.tutorial-view-card strong {
  display: block;
  font-size: 14px;
  margin-bottom: 4px;
}

.tutorial-view-card span {
  font-size: 11px;
  color: var(--text-tertiary);
}

.tutorial-view-arrow {
  color: var(--text-tertiary);
  font-size: 16px;
}

/* Node demo */
.tutorial-node-demo {
  margin: 8px auto 20px;
  max-width: 280px;
}

.tutorial-demo-node {
  background: var(--bg-secondary);
  border-radius: 12px;
  border: 1px solid var(--border-light);
  overflow: hidden;
}

.tutorial-demo-node-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border-light);
}

.tutorial-demo-node-icon {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: rgba(99, 102, 241, 0.15);
  color: #6366f1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
}

.tutorial-demo-node-title {
  flex: 1;
  font-weight: 600;
  font-size: 14px;
  text-align: left;
}

.tutorial-demo-node-add {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--text-tertiary);
}

.tutorial-demo-node-children {
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.tutorial-demo-subnode {
  padding: 8px 12px;
  background: var(--bg-primary);
  border-radius: 8px;
  font-size: 13px;
  text-align: left;
  border: 1px solid var(--border-light);
}

/* Tips */
.tutorial-tips {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.tutorial-tip {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-secondary);
}

.tutorial-tip i {
  font-size: 18px;
  color: var(--accent-primary);
}

/* Task demo */
.tutorial-task-demo {
  margin: 8px auto 20px;
  max-width: 300px;
  background: var(--bg-secondary);
  border-radius: 12px;
  padding: 12px;
  border: 1px solid var(--border-light);
}

.tutorial-demo-task,
.tutorial-demo-subtask {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: var(--bg-primary);
  border-radius: 8px;
  margin-bottom: 8px;
  border: 1px solid var(--border-light);
}

.tutorial-demo-subtask {
  margin-left: 24px;
  margin-bottom: 0;
}

.tutorial-demo-task.completed .tutorial-demo-task-title {
  text-decoration: line-through;
  color: var(--text-tertiary);
}

.tutorial-demo-checkbox {
  width: 18px;
  height: 18px;
  border-radius: 4px;
  border: 2px solid var(--border-medium);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
}

.tutorial-demo-checkbox.checked {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
  color: white;
}

.tutorial-demo-task-title {
  flex: 1;
  font-size: 13px;
  text-align: left;
}

.tutorial-demo-today {
  color: var(--text-tertiary);
  font-size: 16px;
}

.tutorial-demo-today.active {
  color: #3b82f6;
}

/* Customize demo */
.tutorial-customize-demo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.tutorial-color-palette {
  display: flex;
  gap: 10px;
}

.tutorial-color {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  transition: transform 0.2s ease;
}

.tutorial-color:hover {
  transform: scale(1.15);
}

.tutorial-color-1 {
  background: #6366f1;
}
.tutorial-color-2 {
  background: #8b5cf6;
}
.tutorial-color-3 {
  background: #ec4899;
}
.tutorial-color-4 {
  background: #ef4444;
}
.tutorial-color-5 {
  background: #22c55e;
}

.tutorial-icon-palette {
  display: flex;
  gap: 12px;
}

.tutorial-icon-option {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--text-secondary);
  transition: all 0.2s ease;
}

.tutorial-icon-option:hover {
  background: var(--bg-tertiary);
  color: var(--accent-primary);
}

/* Themes demo */
.tutorial-themes-demo {
  display: flex;
  justify-content: center;
  gap: 20px;
}

.tutorial-theme-option {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.tutorial-theme-preview {
  width: 60px;
  height: 40px;
  border-radius: 8px;
  border: 2px solid var(--border-light);
}

.tutorial-theme-preview.light {
  background: linear-gradient(135deg, #ffffff, #f8fafc);
}

.tutorial-theme-preview.dark {
  background: linear-gradient(135deg, #1e293b, #0f172a);
}

.tutorial-theme-preview.spotlight {
  background: linear-gradient(135deg, #1e293b 50%, #6366f1 50%);
}

.tutorial-theme-option span {
  font-size: 12px;
  color: var(--text-tertiary);
}

/* Share demo */
.tutorial-share-demo {
  margin: 8px auto 20px;
}

.tutorial-share-step {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 12px;
}

.tutorial-share-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--accent-primary);
  border: 2px solid var(--border-light);
}

.tutorial-share-arrow {
  color: var(--text-tertiary);
  font-size: 20px;
}

.tutorial-share-labels {
  display: flex;
  justify-content: center;
  gap: 48px;
}

.tutorial-share-labels span {
  font-size: 12px;
  color: var(--text-tertiary);
  font-weight: 500;
}

/* New badge */
.tutorial-new-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.badge-new {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 4px 10px;
  background: linear-gradient(135deg, #14b8a6, #22c55e);
  color: white;
  border-radius: 20px;
}

/* Shortcuts */
.tutorial-shortcuts-sections {
  display: flex;
  justify-content: center;
  gap: 32px;
  margin-bottom: 20px;
}

.tutorial-shortcuts-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.tutorial-shortcuts-section h4 {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-tertiary);
  margin: 0 0 4px 0;
  text-align: center;
}

.tutorial-shortcut {
  display: flex;
  align-items: center;
  gap: 8px;
}

.tutorial-shortcut kbd {
  padding: 4px 8px;
  min-width: 50px;
  text-align: center;
  background: var(--bg-secondary);
  border: 1px solid var(--border-medium);
  border-radius: 6px;
  font-family: inherit;
  font-size: 11px;
  font-weight: 600;
  box-shadow: 0 1px 0 var(--border-medium);
}

.tutorial-shortcut span {
  font-size: 12px;
  color: var(--text-secondary);
}

.tutorial-final-note {
  font-size: 13px !important;
  color: var(--text-tertiary) !important;
  font-style: italic;
  margin-top: 8px !important;
}

/* Navigation */
.tutorial-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 40px 28px;
  border-top: 1px solid var(--border-light);
}

.tutorial-nav-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 10px;
  border: none;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  background: var(--bg-secondary);
  color: var(--text-secondary);
}

.tutorial-nav-btn:hover:not(:disabled) {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.tutorial-nav-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.tutorial-nav-btn.primary {
  background: var(--accent-primary);
  color: white;
}

.tutorial-nav-btn.primary:hover:not(:disabled) {
  opacity: 0.9;
  background: var(--accent-primary);
}

/* Dots */
.tutorial-dots {
  display: flex;
  gap: 8px;
}

.tutorial-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  cursor: pointer;
  transition: all 0.3s ease;
}

.tutorial-dot.active {
  width: 24px;
  border-radius: 4px;
  background: var(--accent-primary);
}

.tutorial-dot:hover:not(.active) {
  background: var(--border-medium);
}

/* Animations */
@keyframes tutorialFadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes tutorialSlideUp {
  from {
    opacity: 0;
    transform: translateY(30px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes tutorialSlideIn {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes tutorialSlideOutLeft {
  from {
    opacity: 1;
    transform: translateX(0);
  }
  to {
    opacity: 0;
    transform: translateX(-30px);
  }
}

@keyframes tutorialSlideOutRight {
  from {
    opacity: 1;
    transform: translateX(0);
  }
  to {
    opacity: 0;
    transform: translateX(30px);
  }
}

@keyframes tutorialIconPulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

/* Mobile responsive */
@media (max-width: 600px) {
  .tutorial-container {
    max-width: 100%;
    border-radius: 16px;
  }

  .tutorial-slide {
    padding: 36px 24px 24px;
  }

  .tutorial-slide h2 {
    font-size: 20px;
  }

  .tutorial-slide p {
    font-size: 14px;
  }

  .tutorial-features {
    flex-direction: column;
    gap: 16px;
  }

  .tutorial-views-demo {
    flex-direction: column;
    gap: 8px;
  }

  .tutorial-view-arrow {
    transform: rotate(90deg);
  }

  .tutorial-shortcuts-sections {
    flex-direction: column;
    gap: 20px;
  }

  .tutorial-shortcuts-section {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
  }

  .tutorial-shortcuts-section h4 {
    width: 100%;
  }

  .tutorial-nav {
    padding: 16px 24px 20px;
  }

  .tutorial-nav-btn span {
    display: none;
  }
}

/* ===== Canvas Container ===== */
.canvas-container {
  flex: 1;
  position: relative;
  overflow: hidden;
  background: var(--bg-canvas);
  /* Clean minimal background - no grid */
}

.connections-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
  overflow: visible;
}

/* Asegurar que el SVG pueda mostrar contenido fuera de sus límites */
#connections-svg {
  overflow: visible;
}

.nodes-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
}

/* ===== Node Styles - Ultra Minimal Design ===== */
.node {
  position: absolute;
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--node-shadow);
  border: 1px solid var(--border-light);
  min-width: 228px;
  max-width: 456px;
  cursor: grab;
  transition:
    box-shadow 0.2s ease,
    border-color 0.2s ease,
    transform 0.2s ease;
  user-select: none;
  overflow: visible;
}

.node:hover {
  border-color: var(--border-medium);
  box-shadow: var(--node-shadow-hover);
}

.node.dragging {
  opacity: 0.5;
  cursor: grabbing;
  box-shadow: var(--node-shadow-active);
  z-index: 500; /* Menor que los indicadores de drop (1001/1002) */
  transform: scale(1.02);
}

.node.selected {
  border-color: var(--border-medium);
  box-shadow: var(--node-shadow-active);
  transform: translateY(-1px);
}

.node.dimmed {
  opacity: 0.55;
  transition: none;
}

.node.cut-pending,
.kanban-card.cut-pending {
  opacity: 0.15;
  pointer-events: none;
}

[data-theme='illuminated'] .node.dimmed {
  opacity: 0.18;
  transition: none;
}

[data-theme='illuminated'] .node.selected {
  box-shadow:
    0 0 0 1px rgba(246, 241, 232, 0.35),
    0 12px 24px rgba(0, 0, 0, 0.45);
}

[data-theme='illuminated'] .node.spotlight {
  --bg-primary: var(--spotlight-bg-primary);
  --bg-secondary: var(--spotlight-bg-secondary);
  --bg-tertiary: var(--spotlight-bg-tertiary);
  --text-primary: var(--spotlight-text-primary);
  --text-secondary: var(--spotlight-text-secondary);
  --text-tertiary: var(--spotlight-text-tertiary);
  --border-light: var(--spotlight-border-light);
  --border-medium: var(--spotlight-border-medium);
  --accent-primary: var(--spotlight-accent-primary);
  --accent-secondary: var(--spotlight-accent-secondary);
  --accent-light: var(--spotlight-accent-light);
}

[data-theme='illuminated'] .node.spotlight .node-toggle {
  background: #6b6b73 !important;
  border-color: #5a5a62 !important;
  color: #fff !important;
}

[data-theme='illuminated'] .node.spotlight:hover .node-toggle {
  background: #7a7a82 !important;
  border-color: #6b6b73 !important;
}

[data-theme='illuminated'] .node.spotlight .node-toggle:hover {
  background: #4b4b51 !important;
  border-color: #4b4b51 !important;
}

/* Drag and Drop States */
.node.drop-target {
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
  border-color: var(--drop-outline);
  box-shadow: 0 0 0 1px var(--drop-outline);
}

/* Drop before - indicador superior con flecha hacia arriba */
.node.drop-before {
  z-index: 999 !important; /* Elevar el nodo target para que sus indicadores estén encima */
}

.node.drop-before::before {
  content: '';
  position: absolute;
  top: -6px;
  left: 8px;
  right: 8px;
  height: 4px;
  background: var(--accent-primary);
  border-radius: 2px;
  z-index: 6;
  pointer-events: none;
}

.node.drop-before::after {
  content: '↑';
  position: absolute;
  top: -30px;
  left: 0;
  right: 0;
  text-align: center;
  font-size: 18px;
  font-weight: bold;
  color: var(--accent-primary);
  z-index: 7;
  pointer-events: none;
  text-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

/* Drop after - indicador inferior con flecha hacia abajo */
.node.drop-after {
  z-index: 999 !important; /* Elevar el nodo target para que sus indicadores estén encima */
}

.node.drop-after::before {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 8px;
  right: 8px;
  height: 4px;
  background: var(--accent-primary);
  border-radius: 2px;
  z-index: 6;
  pointer-events: none;
}

.node.drop-after::after {
  content: '↓';
  position: absolute;
  bottom: -28px;
  left: 0;
  right: 0;
  text-align: center;
  font-size: 18px;
  font-weight: bold;
  color: var(--accent-primary);
  z-index: 6;
  pointer-events: none;
  text-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

/* Drop inside - todo el nodo resaltado */
.node.drop-inside {
  background: var(--drop-fill);
  border: 1.5px dashed var(--drop-outline);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent-primary) 12%, transparent);
}

/* Task drop target - cuando se arrastra una tarea sobre otro nodo */
.node.task-drop-target {
  border-color: var(--drop-outline);
  background: var(--drop-fill);
  box-shadow:
    0 0 0 1px var(--drop-outline),
    var(--shadow-md);
}

.kanban-card.task-drop-target {
  border-color: var(--drop-outline);
  box-shadow:
    0 0 0 1px var(--drop-outline),
    var(--node-shadow-hover);
  background: var(--drop-fill);
}

.kanban-card.task-drop-target .node-header {
  background: transparent;
}

/* Root node special styling */
.node.root-node {
  border-width: 2px;
  min-width: 160px;
}

.node.root-node .node-header {
  border-left-width: 4px !important;
}

.node.root-node .node-title {
  font-weight: 600;
  font-size: 16px;
}

/* Tree view: larger titles without increasing header height */
body:not(.kanban-view):not(.today-view) .node-title {
  font-size: 19px;
  line-height: 1.1;
  padding: 2px 4px;
}

body:not(.kanban-view):not(.today-view) .node.root-node {
  min-width: 200px;
  transform: scale(1.1);
  transform-origin: center center;
}

body:not(.kanban-view):not(.today-view) .node.root-node .node-title {
  font-size: 22px;
}

/* Task Drag States */
.task-item.dragging {
  opacity: 0.5;
}

.task-item.drop-before-task::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 10px;
  right: 10px;
  height: 1.5px;
  background: var(--drop-line);
  border-radius: 1px;
}

.task-item.drop-after-task::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 10px;
  right: 10px;
  height: 1.5px;
  background: var(--drop-line);
  border-radius: 1px;
}

.node-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 10px 10px 0;
  cursor: default;
  position: relative;
  min-height: 42px;
  background: color-mix(in srgb, var(--node-color, transparent) 8%, transparent);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  margin: -1px -1px 0 -1px;
}

.node-header.draggable {
  cursor: grab;
}

.node-header.draggable:active {
  cursor: grabbing;
}

/* Color bar on left side of node header */
.node-color-bar {
  width: 12px;
  align-self: stretch;
  margin: -10px 12px -10px 0;
  border-radius: var(--radius-lg) 0 0 0;
  cursor: pointer;
  transition: width 0.15s ease;
  flex-shrink: 0;
}

.node-color-bar:hover {
  width: 14px;
}

/* Drag Handle */
.node-drag-handle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 10px;
  height: 14px;
  color: var(--text-tertiary);
  opacity: 0;
  cursor: grab;
  transition: opacity var(--transition-fast);
  flex-shrink: 0;
}

.node:hover .node-drag-handle {
  opacity: 0.6;
}

.node-drag-handle:active {
  cursor: grabbing;
}

/* Generic Drag Handle (used in both views) */
.drag-handle {
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: grab;
  color: var(--text-tertiary);
  padding: 2px;
  border-radius: 3px;
  opacity: 0;
  transition:
    opacity var(--transition-fast),
    background var(--transition-fast);
  flex-shrink: 0;
}

.drag-handle:hover {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
}

.drag-handle:active {
  cursor: grabbing;
}

/* Show drag handles on hover */
.node:hover .drag-handle.node-drag,
.kanban-card:hover .drag-handle {
  opacity: 0.6;
}

.node:hover .drag-handle.node-drag:hover,
.kanban-card:hover .drag-handle:hover {
  opacity: 1;
}

/* Kanban card drag handle - same as tree view */
.kanban-card .drag-handle.node-drag {
  flex-shrink: 0;
}

/* Touch devices - always show drag handles */
@media (pointer: coarse) {
  .drag-handle {
    opacity: 0.5 !important;
  }

  .drag-handle:active {
    opacity: 1 !important;
    background: var(--accent-light);
  }
}

/* Icon Button (Phosphor) */
.node-icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  padding: 0;
  margin: 0 1px;
  font-size: var(--node-icon-size);
  background: transparent;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  color: var(--node-color, var(--text-secondary));
  flex-shrink: 0;
  transition:
    background var(--transition-fast),
    color var(--transition-fast);
}

.node-icon-btn i {
  font-size: inherit;
}

.node-icon-btn:hover {
  background: var(--bg-tertiary);
  color: var(--node-color, var(--text-primary));
}

.kanban-column-header .kanban-column-icon {
  color: var(--node-color, var(--text-secondary));
}

/* Icon Picker - With Search & Categories */
.icon-picker-container {
  position: fixed;
  z-index: 10000;
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-xl);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
  width: 320px;
  max-height: 480px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.icon-picker-search {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border-light);
  background: var(--bg-secondary);
}

.icon-picker-search i {
  color: var(--text-tertiary);
  font-size: 16px;
}

.icon-picker-search input {
  flex: 1;
  border: none;
  background: transparent;
  font-size: 13px;
  color: var(--text-primary);
  outline: none;
}

.icon-picker-search input::placeholder {
  color: var(--text-tertiary);
}

.icon-picker-icons-wrapper {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
  max-height: 350px;
}

.icon-picker-section {
  margin-bottom: 12px;
}

.icon-picker-section:last-child {
  margin-bottom: 0;
}

.icon-picker-section-title {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 4px 6px 8px;
}

.icon-picker-grid {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  gap: 2px;
}

.icon-picker-item {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border: none;
  background: transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--text-secondary);
  transition: all 0.15s ease;
}

.icon-picker-item:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.icon-picker-item i {
  font-size: 18px;
}

.icon-picker-empty {
  text-align: center;
  padding: 24px;
  color: var(--text-tertiary);
  font-size: 13px;
}

.icon-picker-remove-wrapper {
  padding: 8px 12px 12px;
  border-top: 1px solid var(--border-light);
}

.icon-picker-remove-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
  padding: 8px;
  border: none;
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 12px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.icon-picker-remove-btn:hover {
  background: var(--danger-light);
  color: var(--danger);
}

.icon-picker-remove-btn i {
  font-size: 14px;
}

/* Kanban column header icon */
.kanban-column-icon {
  font-size: 14px;
  margin-right: 4px;
  color: var(--text-secondary);
}

.node-color-indicator {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.node-title {
  flex: 1 1 auto;
  font-size: 17px;
  font-weight: 600;
  color: var(--text-primary);
  outline: none;
  background: transparent;
  border: none;
  cursor: inherit;
  min-width: 60px;
  text-align: left;
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
  padding: 3px 4px;
  border-radius: var(--radius-sm);
  margin-right: auto;
  user-select: none;
  pointer-events: auto;
  letter-spacing: -0.01em;
}

/* Evitar focus/cursor cuando no está en edición para permitir drag desde el título */
.node-title[readonly] {
  pointer-events: none;
}

/* Permitir eventos solo cuando está en modo edición */
.node-title.editing {
  cursor: text;
  user-select: text;
  white-space: normal;
  overflow: visible;
  text-overflow: clip;
  background: var(--bg-secondary);
  pointer-events: auto;
  box-shadow: 0 0 0 2px var(--accent-primary);
}

.node-title::placeholder {
  color: var(--text-tertiary);
}

/* Add child button in header */
.add-child-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: var(--radius-sm);
  color: var(--text-tertiary);
  opacity: 0;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

/* Tree view: add-child as end bar (mirror of color-bar) */
.node .add-child-btn {
  position: relative;
  right: auto;
  top: auto;
  transform: none;
  width: 18px;
  height: auto;
  align-self: stretch;
  margin: -10px -11px -10px auto;
  border-radius: 0 var(--radius-lg) 0 0;
  background: color-mix(in srgb, var(--node-color) 20%, var(--bg-primary));
  border: none;
  box-shadow: none;
  z-index: 1;
  opacity: 1;
  color: color-mix(in srgb, var(--node-color) 70%, var(--text-secondary));
  transition: background 0.15s ease, width 0.15s ease;
  flex-shrink: 0;
}

.node .add-child-btn:hover {
  background: color-mix(in srgb, var(--node-color) 35%, var(--bg-primary));
  width: 22px;
  color: color-mix(in srgb, var(--node-color) 90%, var(--text-primary));
}

.node .add-child-btn svg {
  width: 12px;
  height: 12px;
}

/* Node toggle - button on right edge to expand/collapse children */
.node-toggle {
  position: absolute !important;
  right: -44px !important;
  top: 50% !important;
  transform: translateY(-50%) !important;
  width: 32px !important;
  height: 32px !important;
  padding: 0 !important;
  margin: 0 !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  border-radius: 50% !important;
  background: var(--bg-secondary) !important;
  border: 2px solid var(--border-medium, var(--border-light)) !important;
  color: var(--text-secondary) !important;
  cursor: pointer !important;
  z-index: 20 !important;
  opacity: 0.9;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.12) !important;
  transition: all 0.15s ease !important;
}

.node-toggle svg {
  width: 14px !important;
  height: 14px !important;
  stroke-width: 3 !important;
}

/* Visible on hover only */
.node:hover .node-toggle {
  background: var(--accent-light) !important;
  border-color: var(--accent-primary) !important;
  color: var(--accent-primary) !important;
  opacity: 1;
}

.node-toggle:hover {
  background: var(--accent-primary) !important;
  border-color: var(--accent-primary) !important;
  color: white !important;
  opacity: 1;
  transform: translateY(-50%) scale(1.08) !important;
}

.node-toggle .toggle-count {
  font-size: 12px;
  font-weight: 700;
}

/* Tasks Header - clickable bar to expand/collapse tasks */
.tasks-header {
  display: flex;
  justify-content: center;
  border-top: none;
  background: transparent;
}

.tasks-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  width: 100%;
  padding: 0 8px;
  color: var(--text-tertiary);
  cursor: pointer;
  transition: all 0.15s ease;
  position: relative;
  font-size: 10px;
  line-height: 1.2;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  background-color: var(--bg-primary);
  background-image: linear-gradient(
    90deg,
    rgba(143, 227, 177, 0.5) 0%,
    rgba(143, 227, 177, 0.5) var(--progress, 0%),
    transparent var(--progress, 0%),
    transparent 100%
  );
  background-size: 100% 100%;
  background-repeat: no-repeat;
}

.tasks-toggle:hover {
  background-color: var(--bg-secondary);
  background-image: linear-gradient(
    90deg,
    rgba(154, 231, 186, 0.5) 0%,
    rgba(154, 231, 186, 0.5) var(--progress, 0%),
    transparent var(--progress, 0%),
    transparent 100%
  );
  color: var(--text-secondary);
}

.tasks-count {
  font-size: 10px;
  font-weight: 500;
}

.tasks-toggle svg {
  width: 10px;
  height: 10px;
}

.node.tasks-expanded .tasks-toggle {
  color: var(--accent-primary);
}

.node.tasks-expanded .tasks-toggle svg {
  transform: rotate(180deg);
}

/* ===== Tasks Container ===== */
.node-tasks {
  display: block;
  border-top: none;
  padding: 2px 0;
  max-height: 300px;
  overflow-y: auto;
}

.node-tasks.collapsed {
  display: none;
}

.tasks-section {
  display: block;
}

.tasks-header.with-label {
  justify-content: space-between;
  align-items: center;
  padding: 4px 10px;
}

.kanban-card .tasks-header.with-label .tasks-toggle {
  margin-left: 8px;
}

.node .tasks-header.with-label .tasks-toggle {
  width: auto;
  flex: 1 1 auto;
  margin-left: 10px;
  min-width: 0;
}

.tasks-header-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 11px;
  font-weight: 500;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.tasks-header-label i {
  font-size: 13px;
}

.tasks-label-count {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-tertiary);
}

.node-inbox-panel {
  margin: 6px -6px -6px;
  padding: 6px;
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  border: 1px dashed var(--border-light);
}

.node-inbox-panel .tasks-header {
  border-top: none;
  background: transparent;
}

.node-inbox-panel .node-tasks {
  border-top-color: var(--border-medium);
  max-height: 220px;
}

.node-inbox-panel .add-task-btn {
  border: 1px dashed var(--border-light);
  background: transparent;
}

.node-inbox-panel .add-task-btn:hover {
  background: var(--bg-primary);
}

.node-inbox-panel .task-item {
  background: var(--bg-primary);
}

.task-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px;
  transition: background 0.15s ease;
  position: relative;
}

.task-item:hover {
  background: var(--bg-secondary);
}

.task-checkbox {
  position: relative;
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.task-checkbox input {
  position: absolute;
  opacity: 0;
  width: 100%;
  height: 100%;
  cursor: pointer;
  z-index: 1;
}

.task-checkbox-custom {
  position: absolute;
  top: 0;
  left: 0;
  width: 16px;
  height: 16px;
  border: 1.5px solid var(--border-medium);
  border-radius: 4px;
  transition: all 0.15s ease;
}

.task-checkbox input:checked + .task-checkbox-custom {
  background: var(--checkbox-color, var(--text-primary));
  border-color: var(--checkbox-color, var(--text-primary));
}

.task-checkbox input:checked + .task-checkbox-custom::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 5px;
  width: 3px;
  height: 7px;
  border: solid var(--bg-primary);
  border-width: 0 1.5px 1.5px 0;
  transform: rotate(45deg);
}

.task-today-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 5px;
  color: var(--text-tertiary);
  background: transparent;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.task-today-toggle i {
  font-size: 15px;
}

.task-today-toggle .today-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: currentColor;
  display: block;
}

.task-today-toggle:hover {
  background: transparent;
  color: var(--text-secondary);
}

.task-today-toggle.active {
  color: var(--today-accent);
  background: transparent;
}


.task-content {
  flex: 1;
  min-width: 0;
}

.task-title-wrap {
  position: relative;
  flex: 1;
  min-width: 0;
  cursor: grab;
  display: flex;
  align-items: center;
}

.task-title {
  font-size: 17px;
  color: var(--text-primary);
  min-width: 0;
  padding: 0 3px;
  line-height: 1.3;
  vertical-align: middle;
  user-select: text;
  transition:
    color var(--transition-fast),
    background var(--transition-fast);
  text-align: left;
  overflow: hidden;
  white-space: pre-wrap;
  word-break: break-word;
  border-radius: var(--radius-sm);
  border: none;
  background: transparent;
  resize: none;
  font-family: inherit;
  width: 100%;
  min-height: 1.35em;
  max-height: calc(1.35em * 4 + 4px);
}

.task-title-ellipsis {
  position: absolute;
  right: 6px;
  bottom: 2px;
  font-size: 14px;
  color: var(--text-tertiary);
  pointer-events: none;
  display: none;
  background: linear-gradient(90deg, transparent 0%, var(--bg-primary) 40%);
  padding-left: 6px;
}

.task-title-wrap.is-truncated .task-title-ellipsis {
  display: block;
}

.task-title[readonly] {
  cursor: grab;
  user-select: none;
  caret-color: transparent;
  pointer-events: none;
  -webkit-user-drag: none;
}

.task-title[readonly]:active {
  cursor: grabbing;
}

.task-title:hover {
  background: var(--bg-tertiary);
}

.task-title:focus {
  background: var(--bg-tertiary);
}

.task-item.completed .task-title {
  color: var(--text-tertiary);
  text-decoration: line-through;
}

.task-delete,
.promote-subtask-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  border-radius: var(--radius-sm);
  color: var(--text-tertiary);
  opacity: 0;
  transition: all var(--transition-fast);
}

.task-item:hover .task-delete,
.task-item:hover .promote-subtask-btn {
  opacity: 1;
}

.promote-subtask-btn:hover {
  background: var(--accent-light);
  color: var(--accent-primary);
}

.task-delete:hover {
  background: var(--danger-light);
  color: var(--danger);
}

.task-actions {
  display: flex;
  flex-direction: column;
  gap: 2px;
  align-items: center;
  flex-shrink: 0;
  margin-left: 4px;
}

.add-task-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  width: 100%;
  color: var(--text-tertiary);
  font-size: 12px;
  transition: all 0.15s ease;
}

.add-task-btn i {
  font-size: 12px;
}

.add-task-btn:hover {
  background: var(--bg-secondary);
  color: var(--text-secondary);
}

/* Add subtask button */
.add-subtask-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  border-radius: var(--radius-sm);
  color: var(--text-tertiary);
  opacity: 0;
  transition: all var(--transition-fast);
}

.task-item:hover .add-subtask-btn {
  opacity: 1;
}

.add-subtask-btn:hover {
  background: var(--accent-light);
  color: var(--accent-primary);
}

/* ===== Subtasks ===== */
.subtasks-container {
  margin-left: 20px;
}

.task-item.subtask {
  padding-left: 18px;
  opacity: 0.9;
}

.task-item.subtask .task-checkbox {
  width: 12px;
  height: 12px;
}

.task-item.subtask .task-checkbox-custom {
  width: 12px;
  height: 12px;
}

.task-item.subtask .task-today-toggle {
  width: 12px;
  height: 12px;
  border-radius: 4px;
}

.task-item.subtask .task-today-toggle .today-dot {
  width: 6px;
  height: 6px;
}

.task-item.subtask .task-title {
  font-size: 14px;
}

.task-item.has-subtasks .task-title {
  font-weight: 500;
}

/* Botón toggle subtareas */
.subtasks-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  border-radius: var(--radius-sm);
  color: var(--text-tertiary);
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.subtasks-toggle-btn:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.subtasks-toggle-btn svg {
  transition: color var(--transition-fast);
}

/* Contador de subtareas */
.subtasks-count {
  font-size: 9px;
  color: var(--text-tertiary);
  background: var(--bg-tertiary);
  padding: 1px 5px;
  border-radius: 8px;
  flex-shrink: 0;
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.subtasks-count:hover {
  background: var(--bg-secondary);
  color: var(--text-secondary);
}

/* Drop zone para convertir en subtarea */
.task-item.drop-as-subtask {
  border-left: 2px solid var(--drop-outline);
  background: var(--drop-fill);
}

/* ===== Connection Lines - Smooth Bezier ===== */
.connection {
  fill: none;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0.85;
  transition:
    opacity 0.2s ease,
    stroke-width 0.2s ease;
}

.connection:hover {
  stroke-width: 3;
  opacity: 1;
}

/* ===== Context Menu - Minimal ===== */
.context-menu {
  position: fixed;
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  padding: 4px;
  min-width: 160px;
  z-index: 10000;
}

.context-menu.hidden {
  display: none;
}

.context-menu button {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 12px;
  text-align: left;
  transition: all var(--transition-fast);
}

.context-menu button svg,
.context-menu button i {
  width: 14px;
  height: 14px;
  font-size: 14px;
  opacity: 0.6;
}

.context-menu button:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.context-menu button:hover svg,
.context-menu button:hover i {
  opacity: 1;
}

.context-menu button.danger:hover {
  background: var(--danger-light);
  color: var(--danger);
}

.menu-divider {
  height: 1px;
  background: var(--border-light);
  margin: 4px 0;
}

/* Menú contextual en móvil */
@media (max-width: 480px) {
  .context-menu {
    position: fixed;
    left: 50% !important;
    top: auto !important;
    bottom: 20px;
    transform: translateX(-50%);
    width: calc(100% - 32px);
    max-width: 300px;
    min-width: auto;
  }

  .color-picker {
    position: fixed;
    left: 50% !important;
    top: auto !important;
    bottom: 20px;
    transform: translateX(-50%);
    width: calc(100% - 32px);
    max-width: 300px;
  }
}

/* ===== Color Picker ===== */
.color-picker {
  position: fixed;
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
  padding: 12px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  z-index: 10001;
  max-width: 220px;
}

.color-scope-toggle {
  grid-column: 1 / -1;
  display: flex;
  gap: 8px;
  align-items: center;
  justify-content: flex-start;
  margin-bottom: 2px;
}

.color-scope-toggle .scope-btn {
  width: 22px;
  height: 22px;
  border-radius: 8px;
  border: 1px solid var(--border-light);
  background: var(--bg-secondary);
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.color-scope-toggle .scope-btn i {
  font-size: 12px;
}

.color-scope-toggle .scope-btn:hover {
  border-color: var(--border-medium);
  color: var(--text-primary);
}

.color-scope-toggle .scope-btn.active {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  background: var(--accent-light);
}

.color-picker.hidden {
  display: none;
}

.color-picker button {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 2px solid transparent;
  transition: all var(--transition-fast);
}

.color-picker button:hover {
  transform: scale(1.15);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.color-picker button.selected {
  border-color: var(--text-primary);
  box-shadow:
    0 0 0 2px var(--bg-primary),
    0 0 0 4px var(--text-tertiary);
}

/* ===== Empty State ===== */
.empty-state {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
  background: var(--bg-canvas);
}

.empty-state.hidden {
  display: none;
}

.empty-state-content {
  text-align: center;
  color: var(--text-tertiary);
}

.empty-state-content svg {
  margin-bottom: 20px;
  color: var(--text-tertiary);
}

.empty-state-content h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.empty-state-content p {
  font-size: 14px;
  margin-bottom: 24px;
}

.primary-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  background: var(--accent-primary);
  color: white;
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.primary-btn:hover {
  background: var(--accent-secondary);
  transform: translateY(-1px);
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border-medium);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-tertiary);
}

/* ===== Animations ===== */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.node {
  animation: fadeIn var(--transition-normal);
}

/* ===== Focus Visible ===== */
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

.node-title:focus-visible,
.task-title:focus-visible {
  outline: none;
}

/* ===== Selection ===== */
::selection {
  background: var(--accent-light);
  color: var(--text-primary);
}

/* ===== Tooltip ===== */
[title] {
  position: relative;
}

/* ===== Progress Bar for Tasks ===== */
.node-progress {
  height: 2px;
  background: var(--bg-tertiary);
  border-radius: 1px;
  margin: 0 10px 6px;
  overflow: hidden;
}

.node-progress-bar {
  height: 100%;
  border-radius: 2px;
  transition: width var(--transition-normal);
}

/* ===== Keyboard Shortcut Hints ===== */
.shortcut-hint {
  font-size: 11px;
  color: var(--text-tertiary);
  background: var(--bg-tertiary);
  padding: 2px 6px;
  border-radius: 4px;
  margin-left: auto;
  font-family: 'SF Mono', Monaco, monospace;
}

/* ===== Toast Notifications ===== */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
  display: flex;
  align-items: center;
  gap: 8px;
  animation: slideInRight var(--transition-normal);
  max-width: 280px;
  font-size: 13px;
}

.toast.success {
  border-color: var(--success);
}

.toast.error {
  border-color: var(--danger);
}

.toast.warning {
  border-color: #f59e0b;
  background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
  color: #92400e;
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* ===== Responsive - Tablet ===== */
@media (max-width: 768px) {
  .sidebar {
    position: fixed;
    left: -100%;
    top: 0;
    height: 100%;
    z-index: 1000;
    transition: left var(--transition-normal);
  }

  .sidebar.open {
    left: 0;
  }

  .canvas-toolbar {
    padding: 0 12px;
  }

  .map-title {
    max-width: 150px;
    font-size: 14px;
  }

  .toolbar-center {
    gap: 4px;
  }

  .zoom-level {
    min-width: 40px;
    font-size: 11px;
  }
}

/* ===== Responsive - Mobile ===== */
@media (max-width: 480px) {
  /* Toolbar móvil */
  .canvas-toolbar {
    padding: 10px 12px;
    gap: 10px;
    height: auto;
    min-height: 56px;
  }

  .app-logo {
    font-size: 15px;
  }

  .toolbar-divider {
    display: none;
  }

  .toolbar-btn {
    width: 42px;
    height: 42px;
    border-radius: 12px;
  }

  .zoom-level {
    font-size: 12px;
    min-width: 42px;
  }

  /* Nodos más cómodos para móvil */
  .node {
    min-width: 253px;
    max-width: 368px;
    touch-action: none;
  }

  .node-header {
    padding: 10px 10px 10px 0;
    gap: 6px;
  }

  .node-title {
    font-size: 17px;
    padding: 3px 4px;
  }

  .node-toggle {
    width: 28px;
    height: 28px;
    right: -44px;
  }

  .node-color-bar {
    width: 12px;
    margin: -10px 10px -10px 0;
  }

  .node .add-child-btn {
    width: 16px;
    margin: -10px 0 -10px 6px;
  }

  .tasks-toggle {
    padding: 3px 10px;
    gap: 6px;
    font-size: 12px;
  }

  .node-stats {
    font-size: 11px;
  }

  /* Tareas táctiles */
  .task-item {
    padding: 6px 12px;
    gap: 8px;
    min-height: 36px;
  }

  .task-checkbox,
  .task-checkbox-custom {
    width: 18px;
    height: 18px;
  }

  .task-title {
    font-size: 15px;
    padding: 4px 6px;
  }

  .task-delete,
  .add-subtask-btn {
    width: 28px;
    height: 28px;
    opacity: 0.9;
  }

  .subtasks-toggle-btn {
    width: 22px;
    height: 22px;
    font-size: 11px;
  }

  .subtasks-count {
    font-size: 10px;
    padding: 2px 6px;
  }

  .add-task-btn {
    padding: 8px 10px;
    font-size: 12px;
  }

  /* Subtareas más aireadas */
  .subtasks-container {
    margin-left: 16px;
  }

  .task-item.subtask {
    padding-left: 12px;
    min-height: 32px;
  }

  .task-item.subtask .task-checkbox,
  .task-item.subtask .task-checkbox-custom {
    width: 16px;
    height: 16px;
  }

  .task-item.subtask .task-title {
    font-size: 13px;
  }

  /* Menú contextual */
  .context-menu {
    min-width: 200px;
  }

  .context-menu button {
    padding: 14px 16px;
    font-size: 14px;
  }

  /* Color picker */
  .color-picker {
    padding: 14px;
    gap: 10px;
    grid-template-columns: repeat(5, 1fr);
  }

  .color-picker button {
    width: 38px;
    height: 38px;
  }

  /* Toast en móvil */
  .toast-container {
    bottom: 16px;
    right: 16px;
    left: 16px;
  }

  .toast {
    max-width: 100%;
  }

  /* Empty state */
  .empty-state-content h3 {
    font-size: 16px;
  }

  .empty-state-content p {
    font-size: 13px;
  }
}

/* ===== Mobile App Mode ===== */
body.mobile-ui .canvas-toolbar {
  position: sticky;
  top: 0;
  z-index: 900;
  padding-top: calc(10px + env(safe-area-inset-top));
  background: var(--bg-primary);
}

body.mobile-ui .toolbar-center {
  display: none;
}

body.mobile-ui .toolbar-right {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 10px 16px calc(12px + env(safe-area-inset-bottom));
  background: var(--bg-primary);
  border-top: 1px solid var(--border-light);
  box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.08);
  justify-content: space-around;
  z-index: 1000;
  min-height: var(--mobile-bottom-bar-height);
}

body.mobile-ui .canvas-area {
  padding-bottom: calc(var(--mobile-bottom-bar-height) + env(safe-area-inset-bottom));
}

body.mobile-ui .toolbar-btn {
  min-width: 44px;
  min-height: 44px;
}

body.mobile-ui .view-switch {
  padding: 4px;
}

body.mobile-ui .view-option {
  width: 30px;
  height: 30px;
}

body.mobile-ui .user-dropdown {
  top: auto;
  bottom: calc(100% + 8px);
}

body.mobile-ui .floating-actions {
  bottom: calc(var(--mobile-bottom-bar-height) + 20px + env(safe-area-inset-bottom));
}

body.mobile-ui .context-menu,
body.mobile-ui .color-picker {
  bottom: calc(var(--mobile-bottom-bar-height) + 16px + env(safe-area-inset-bottom));
}

body.mobile-ui .toast-container {
  bottom: calc(var(--mobile-bottom-bar-height) + 16px + env(safe-area-inset-bottom));
}

/* ===== Touch-specific styles ===== */
@media (pointer: coarse) {
  /* Hacer elementos más fáciles de tocar - pero no demasiado grandes */
  .toolbar-btn {
    min-width: 36px;
    min-height: 36px;
  }

  /* Mostrar siempre botones de acción en touch */
  .task-item .add-subtask-btn,
  .task-item .task-delete {
    opacity: 0.7;
  }

  .task-item:active .add-subtask-btn,
  .task-item:active .task-delete {
    opacity: 1;
  }

  /* Feedback visual para touch */
  .node:active {
    transform: scale(0.98);
  }

  .task-item:active {
    background: var(--bg-secondary);
  }

  .toolbar-btn:active {
    transform: scale(0.9);
  }
}

/* ===== Landscape móvil ===== */
@media (max-width: 812px) and (orientation: landscape) {
  .canvas-toolbar {
    padding: 4px 12px;
    min-height: 40px;
  }

  .toolbar-center {
    order: 2;
    flex: 1 0 auto;
    border-top: none;
    margin-top: 0;
    padding-top: 0;
  }

  .toolbar-btn {
    width: 32px;
    height: 32px;
  }
}

/* ===== Print Styles ===== */
@media print {
  .sidebar,
  .canvas-toolbar,
  .context-menu,
  .color-picker {
    display: none !important;
  }

  .canvas-area {
    width: 100%;
  }

  .node {
    box-shadow: none;
    border: 1px solid #ccc;
    page-break-inside: avoid;
  }
}

/* ========================================
   KANBAN/COLUMN VIEW STYLES (Miller Columns)
   ======================================== */

/* ========================================
   TODAY VIEW STYLES
   ======================================== */

.today-view .canvas-container {
  background-image: none;
  background: var(--bg-canvas);
}

.today-view .canvas-content {
  transform: none !important;
  overflow: hidden;
}

.today-view .connections-layer {
  display: none;
}

.today-view .nodes-container {
  position: relative;
  width: 100%;
  height: 100%;
  transform: none !important;
}

.today-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100%;
  overflow-x: hidden;
  overflow-y: auto;
  gap: 12px;
  padding: 12px;
  -webkit-overflow-scrolling: touch;
}

.today-header {
  width: 100%;
  max-width: 570px;
  min-width: 320px;
  padding: 6px 6px 2px 6px;
}

.today-title-row {
  display: flex;
  align-items: center;
  gap: 6px;
}

.today-title {
  width: 100%;
  border: none;
  background: transparent;
  color: var(--text-primary);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-align: center;
  resize: none;
  overflow: hidden;
  padding: 6px 8px;
  border-radius: 8px;
}

.today-title-edit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 6px;
  color: var(--text-tertiary);
  flex-shrink: 0;
}

.today-title-edit i {
  font-size: 12px;
}

.today-title:focus {
  outline: 2px solid var(--accent-primary);
  background: var(--bg-secondary);
}

.today-group {
  flex: 0 0 auto;
  width: 100%;
  max-width: 570px;
  min-width: 320px;
  height: auto;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  background: var(--bg-primary);
  box-shadow: var(--node-shadow);
  position: relative;
}

.today-group.dragging {
  opacity: 0.6;
}

.today-group.drop-before::before,
.today-group.drop-after::after {
  content: '';
  position: absolute;
  top: -8px;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--accent-primary);
  border-radius: 2px;
  z-index: 2;
  box-shadow: 0 0 8px rgba(59, 130, 246, 0.5);
}

.today-group.drop-after::after {
  top: auto;
  bottom: -8px;
}

.today-group-header {
  padding: 8px 12px;
  background: linear-gradient(
    90deg,
    rgba(143, 227, 177, 0.35) 0%,
    rgba(143, 227, 177, 0.35) var(--progress, 0%),
    var(--bg-primary) var(--progress, 0%),
    var(--bg-primary) 100%
  );
  border-bottom: 1px solid var(--border-light);
  border-top: 3px solid var(--node-color);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  cursor: grab;
}

.today-group-header:active {
  cursor: grabbing;
}

.today-group-grip {
  font-size: 12px;
  color: var(--text-tertiary);
  display: inline-flex;
  align-items: center;
}

.today-group-icon {
  font-size: 13px;
  color: var(--text-tertiary);
}

.today-group-title {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1 1 auto;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.today-group-count {
  font-size: 10px;
  color: var(--text-tertiary);
  background: var(--bg-secondary);
  padding: 2px 6px;
  border-radius: 8px;
  flex-shrink: 0;
}

.today-group-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  margin-left: 6px;
  border-radius: 6px;
  color: var(--text-tertiary);
  background: transparent;
  transition:
    background var(--transition-fast),
    color var(--transition-fast);
  flex-shrink: 0;
  cursor: pointer;
}

.today-group-toggle i {
  font-size: 10px;
}

.today-group-toggle:hover {
  background: var(--bg-secondary);
  color: var(--text-secondary);
}

.today-group-tasks {
  flex: 0 0 auto;
  overflow: visible;
  padding: 8px 0;
  background: var(--bg-primary);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.today-group.collapsed .today-group-tasks {
  display: none;
}

/* Tareas más grandes en vista HOY */
.today-group-tasks .task-item {
  padding: 10px 14px;
}

.today-group-tasks .task-title {
  font-size: 15px;
  line-height: 1.4;
}

.today-group-tasks .task-checkbox {
  width: 16px;
  height: 16px;
}

.today-group-tasks .task-checkbox-custom {
  width: 16px;
  height: 16px;
}

.today-task-item.today-drop-before::before,
.today-task-item.today-drop-after::after {
  content: '';
  position: absolute;
  left: 10px;
  right: 10px;
  height: 1.5px;
  background: var(--drop-line);
  border-radius: 2px;
  z-index: 2;
}

.today-task-item.today-drop-before::before {
  top: -1px;
}

.today-task-item.today-drop-after::after {
  bottom: -1px;
}

.today-empty {
  height: 100%;
  width: 100%;
  max-width: 570px;
  min-width: 320px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-align: center;
  color: var(--text-tertiary);
}

.today-empty i {
  font-size: 32px;
}

.today-empty h3 {
  font-size: 16px;
  color: var(--text-secondary);
}

.today-empty p {
  font-size: 12px;
  max-width: 320px;
}

/* Kanban View Layout */
.kanban-view .canvas-container {
  background-image: none;
  background: var(--bg-canvas);
}

.kanban-view .canvas-content {
  transform: none !important;
  overflow: hidden;
}

.kanban-view .connections-layer {
  display: none;
}

.kanban-view .nodes-container {
  position: relative;
  width: 100%;
  height: 100%;
  transform: none !important;
}

.kanban-container {
  display: flex;
  height: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  gap: 0;
  padding: 0;
  -webkit-overflow-scrolling: touch;
}

/* Kanban Column - narrower columns */
.kanban-column {
  flex: 0 0 300px;
  min-width: 260px;
  max-width: 360px;
  height: 100%;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border-light);
  background: #f3f3f3;
}

.kanban-column:last-child {
  border-right: none;
}

.kanban-column.drop-target {
  background: var(--drop-fill);
  box-shadow: inset 0 0 0 1px var(--drop-outline);
}

.kanban-column-header {
  padding: 10px 12px;
  background: #ededed;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}

.kanban-column-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.kanban-column-count {
  font-size: 10px;
  color: var(--text-tertiary);
  background: var(--bg-secondary);
  padding: 2px 6px;
  border-radius: 8px;
  flex-shrink: 0;
}

.kanban-column-content {
  flex: 1;
  overflow-y: auto;
  overflow-x: visible; /* Permitir indicadores horizontales */
  padding: 20px 8px; /* Más padding vertical para indicadores de drop */
  display: flex;
  flex-direction: column;
  gap: 24px; /* Más espacio para zonas de reordenamiento entre cards */
}

/* Kanban Card - uses same styles as tree nodes */
.kanban-card {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--node-shadow);
  border: 1px solid var(--border-light);
  cursor: pointer;
  transition:
    box-shadow 0.15s,
    border-color 0.15s,
    transform 0.15s;
  position: relative;
  overflow: visible; /* Permitir que los indicadores de drop se vean */
}

.kanban-card:hover {
  box-shadow: var(--node-shadow-hover);
}

.kanban-card.inbox-card {
  border-style: dashed;
  background: var(--bg-secondary);
}

.inbox-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px 0;
}

.kanban-card.inbox-card .node-tasks {
  border-top: 1px solid var(--border-light);
  margin-top: 8px;
  padding: 6px 10px 10px;
  background: var(--bg-primary);
  border-radius: var(--radius-md);
}

.kanban-card.inbox-card .add-task-btn {
  border: 1px dashed var(--border-light);
}

.kanban-card.inbox-card .tasks-toggle {
  width: auto;
  padding: 4px 8px;
  background: transparent;
}

.kanban-card.selected {
  border-color: var(--border-medium);
  box-shadow:
    0 8px 18px rgba(15, 23, 42, 0.2),
    0 4px 8px rgba(15, 23, 42, 0.12);
  transform: translateY(-0.5px);
}

.kanban-card.dimmed {
  opacity: 0.55;
  transition: none; /* Evitar efecto de ola al cambiar dimmed */
}

[data-theme='illuminated'] .kanban-card.dimmed {
  opacity: 0.18;
  transition: none;
}

[data-theme='illuminated'] .kanban-card.selected {
  box-shadow:
    0 0 0 1px rgba(246, 241, 232, 0.35),
    0 12px 24px rgba(0, 0, 0, 0.45);
}

[data-theme='illuminated'] .kanban-card.spotlight {
  --bg-primary: var(--spotlight-bg-primary);
  --bg-secondary: var(--spotlight-bg-secondary);
  --bg-tertiary: var(--spotlight-bg-tertiary);
  --text-primary: var(--spotlight-text-primary);
  --text-secondary: var(--spotlight-text-secondary);
  --text-tertiary: var(--spotlight-text-tertiary);
  --border-light: var(--spotlight-border-light);
  --border-medium: var(--spotlight-border-medium);
  --accent-primary: var(--spotlight-accent-primary);
  --accent-secondary: var(--spotlight-accent-secondary);
  --accent-light: var(--spotlight-accent-light);
}

.kanban-card.dragging {
  opacity: 0.5;
  z-index: 500; /* Menor que los indicadores de drop */
  /* pointer-events: none; -- QUITADO: Chrome cancela el drag si el elemento origen pierde pointer-events */
}

/* Drop indicator - line with circle (like Notion/Linear) */
.kanban-card.drop-above,
.kanban-card.drop-below {
  z-index: 999 !important; /* Elevar el card target */
  overflow: visible !important;
}

.kanban-card.drop-above::before {
  content: '';
  position: absolute;
  top: -6px;
  left: 10px;
  right: 10px;
  height: 4px;
  background: var(--accent-primary);
  border-radius: 2px;
  z-index: 6;
  pointer-events: none;
}

.kanban-card.drop-above::after {
  content: '↑';
  position: absolute;
  top: -30px;
  left: 0;
  right: 0;
  text-align: center;
  font-size: 18px;
  font-weight: bold;
  color: var(--accent-primary);
  z-index: 7;
  pointer-events: none;
  text-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

.kanban-card.drop-below::before {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 10px;
  right: 10px;
  height: 4px;
  background: var(--accent-primary);
  border-radius: 2px;
  z-index: 6;
  pointer-events: none;
}

.kanban-card.drop-below::after {
  content: '↓';
  position: absolute;
  bottom: -30px;
  left: 0;
  right: 0;
  text-align: center;
  font-size: 18px;
  font-weight: bold;
  color: var(--accent-primary);
  z-index: 7;
  pointer-events: none;
  text-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

/* Drop inside - clear highlight with overlay */
.kanban-card.drop-inside {
  /* Remove background change on the element itself to avoid conflicts */
  border-color: transparent;
}

.kanban-card.drop-inside::after {
  content: '';
  position: absolute;
  inset: 0;
  background: color-mix(in srgb, var(--accent-primary) 6%, transparent);
  border: 1.5px dashed var(--drop-outline);
  border-radius: inherit;
  z-index: 100; /* Ensure it covers all internal elements */
  pointer-events: none;
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent-primary) 10%, transparent);
}

/* Ensure drop indicators are visible above the overlay */
.kanban-card.drop-above::before,
.kanban-card.drop-above::after,
.kanban-card.drop-below::before,
.kanban-card.drop-below::after {
  z-index: 6;
}

/* Las zonas de reordenamiento están FUERA del nodo, no necesitamos bloquear pointer-events */

.kanban-card.drop-as-subtask {
  background: var(--drop-fill);
  border-color: var(--drop-outline);
  box-shadow: inset 0 0 0 1px var(--drop-outline);
}

/* Navigation arrow for cards with children */
.kanban-nav-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  color: var(--accent-primary);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.kanban-nav-arrow:hover {
  background: var(--accent-light);
}

/* Kanban card inherits node styles - only overrides needed */
.kanban-card .node-header {
  padding: 8px 10px 8px 0;
  gap: 6px;
}

.kanban-card .node-icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  margin: 0 4px 0 0;
  font-size: 18px;
  flex-shrink: 0;
}

.kanban-card .node-icon-btn i {
  font-size: inherit;
}

.kanban-card .node-title {
  font-size: 16px;
  padding: 2px 4px;
}

.kanban-card .node-color-bar {
  margin: -8px 10px -8px 0;
}

/* Kanban: child actions as end bar (like tree view) */
.kanban-child-actions {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  margin: -8px -11px -8px auto;
  padding: 4px 0;
  min-width: 24px;
  align-self: stretch;
  background: color-mix(in srgb, var(--node-color) 20%, var(--bg-primary));
  border-radius: 0 var(--radius-lg) 0 0;
  transition: background 0.15s ease, min-width 0.15s ease;
  cursor: pointer;
}

.kanban-child-actions:hover {
  background: color-mix(in srgb, var(--node-color) 35%, var(--bg-primary));
  min-width: 28px;
}

.kanban-card .add-child-btn {
  opacity: 1;
  width: auto;
  height: auto;
  background: transparent;
  margin: 0;
  padding: 0;
  border-radius: 0;
  color: color-mix(in srgb, var(--node-color) 70%, var(--text-secondary));
}

.kanban-card .add-child-btn:hover {
  background: transparent;
}

.kanban-child-count {
  font-size: 10px;
  font-weight: 600;
  color: color-mix(in srgb, var(--node-color) 70%, var(--text-secondary));
  line-height: 1;
}

/* Kanban delete button */
.kanban-delete-btn {
  display: none;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  margin: 0;
  padding: 0;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text-tertiary);
  cursor: pointer;
  flex-shrink: 0;
  transition: color 0.15s ease, background 0.15s ease;
}

.kanban-delete-btn:hover {
  color: var(--error);
  background: color-mix(in srgb, var(--error) 15%, transparent);
}

.kanban-delete-btn i {
  font-size: 14px;
}

/* Mobile: show delete button */
@media (max-width: 768px), (pointer: coarse) {
  .kanban-delete-btn {
    display: flex;
    color: var(--error);
    opacity: 0.7;
  }

  .kanban-child-actions {
    min-width: 32px;
  }
}

/* Kanban tasks section */
.kanban-card .node-tasks {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.kanban-tasks-list {
  margin-top: 4px;
  display: flex;
  flex-direction: column;
  gap: 0;
}

/* Kanban tasks - use same classes as tree view (.task-item) */
.kanban-tasks .task-item {
  background: transparent;
  border-radius: 4px;
  padding: 2px 10px;
}

.kanban-tasks .task-item:hover {
  background: var(--bg-secondary);
}

.kanban-tasks .task-title {
  font-size: 14px;
}

.kanban-card .tasks-toggle {
  font-size: 9.5px;
}

.kanban-tasks .task-item.completed {
  opacity: 0.6;
}

.kanban-tasks .subtasks-container {
  margin-left: 20px;
}

.kanban-tasks .task-item.subtask {
  margin-left: 0;
  background: transparent;
}

/* Drag handles visibility in kanban */
.kanban-tasks .task-item .drag-handle {
  opacity: 0;
  transition: opacity 0.15s;
}

.kanban-tasks .task-item:hover .drag-handle {
  opacity: 0.6;
}

.kanban-tasks .task-item:hover .drag-handle:hover {
  opacity: 1;
}

/* Buttons visibility in kanban tasks */
.kanban-tasks .task-item .add-subtask-btn,
.kanban-tasks .task-item .task-delete,
.kanban-tasks .task-item .promote-subtask-btn,
.kanban-tasks .task-item .subtasks-toggle-btn {
  opacity: 0;
  transition: opacity 0.15s;
}

.kanban-tasks .task-item:hover .add-subtask-btn,
.kanban-tasks .task-item:hover .task-delete,
.kanban-tasks .task-item:hover .promote-subtask-btn,
.kanban-tasks .task-item:hover .subtasks-toggle-btn {
  opacity: 1;
}

/* Drop indicators for tasks in kanban */
.kanban-tasks .task-item.drop-above::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 4px;
  right: 4px;
  height: 1.5px;
  background: var(--drop-line);
  border-radius: 1px;
}

.kanban-tasks .task-item.drop-below::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 4px;
  right: 4px;
  height: 1.5px;
  background: var(--drop-line);
  border-radius: 1px;
}

.kanban-tasks .task-item.dragging {
  opacity: 0.5;
}

.kanban-tasks .task-item.drop-as-subtask {
  background: var(--drop-fill);
  box-shadow: inset 0 0 0 1px var(--drop-outline);
  border-radius: 4px;
}

.kanban-add-task {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
  padding: 8px;
  background: none;
  border: 1px dashed var(--border-light);
  border-radius: 4px;
  font-size: 11px;
  color: var(--text-tertiary);
  cursor: pointer;
  margin-top: 4px;
}

.kanban-add-task:hover {
  background: var(--accent-light);
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

/* Add Card Button */
.kanban-add-card {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px;
  margin-top: auto;
  background: none;
  border: 1px dashed var(--border-light);
  border-radius: 8px;
  font-size: 13px;
  color: var(--text-tertiary);
  cursor: pointer;
  transition: all 0.15s;
}

.kanban-add-card:hover {
  background: var(--accent-light);
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

/* Mobile Kanban */
@media (max-width: 600px) {
  .kanban-column {
    flex: 0 0 88vw;
    min-width: 88vw;
    max-width: 88vw;
  }

  .kanban-card-info {
    flex-wrap: wrap;
    gap: 8px;
  }

  .kanban-card-actions {
    width: 100%;
    justify-content: flex-end;
  }

  .kanban-card-actions button {
    width: 32px;
    height: 32px;
  }

  .kanban-tasks .task-item .add-subtask-btn,
  .kanban-tasks .task-item .task-delete,
  .kanban-tasks .task-item .subtasks-toggle-btn {
    opacity: 0.7;
  }

  /* Drag handles always visible on touch */
  .kanban-card .drag-handle,
  .kanban-tasks .task-item .drag-handle {
    opacity: 0.5;
  }
}

/* =============================================
   AUTH MODAL STYLES
   ============================================= */

.auth-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-canvas);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  padding: 20px;
}

.auth-modal.hidden {
  display: none;
}

/* =============================================
   GOODBYE SCREEN
   ============================================= */

.goodbye-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-canvas);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10010;
  padding: 20px;
}

.goodbye-container {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
  padding: 28px;
  width: 100%;
  max-width: 420px;
  border: 1px solid var(--border-light);
}

.goodbye-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px 0;
  padding: 0;
  background: transparent;
  border: 0;
  color: var(--text-primary);
  font-weight: 600;
  cursor: pointer;
}

.goodbye-container h2 {
  margin: 0 0 8px 0;
  font-size: 18px;
  color: var(--text-primary);
}

.goodbye-subtitle {
  margin: 0 0 18px 0;
  color: var(--text-tertiary);
  font-size: 14px;
}

.goodbye-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 10px;
}

.auth-container {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
  padding: 32px;
  width: 100%;
  max-width: 360px;
  border: 1px solid var(--border-light);
}

.auth-header {
  text-align: center;
  margin-bottom: 32px;
}

.auth-logo {
  margin-bottom: 16px;
}

.auth-header h2 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 6px 0;
}

.auth-subtitle {
  font-size: 14px;
  color: var(--text-tertiary);
  margin: 0;
}

.auth-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
  background: var(--bg-tertiary);
  padding: 4px;
  border-radius: var(--radius-md);
}

.auth-tab {
  flex: 1;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  background: transparent;
  transition: all var(--transition-fast);
}

.auth-tab:hover {
  color: var(--text-primary);
}

.auth-tab.active {
  background: var(--bg-primary);
  color: var(--accent-primary);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.auth-form.hidden {
  display: none;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-group input {
  padding: 12px 14px;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  font-size: 14px;
  color: var(--text-primary);
  background: var(--bg-primary);
  transition: all var(--transition-fast);
}

.form-group input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-light);
}

.form-group input::placeholder {
  color: var(--text-tertiary);
}

.auth-btn {
  padding: 12px 20px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-top: 8px;
}

.auth-btn.primary {
  background: #2d2d2d;
  color: #ffffff;
  border: none;
  border-radius: var(--radius-xl);
}

.auth-btn.primary:hover {
  background: #3d3d3d;
}

.auth-btn.primary:active {
  transform: translateY(0);
}

.auth-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

/* Google Auth Button */
.auth-btn.google-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: #ffffff;
  color: #3c4043;
  border: 1px solid #dadce0;
  border-radius: var(--radius-xl);
  font-weight: 500;
  width: 100%;
}

.auth-btn.google-btn:hover {
  background: #f8f9fa;
  border-color: #c6c6c6;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.auth-btn.google-btn:active {
  background: #f1f3f4;
}

[data-theme='dark'] .auth-btn.google-btn {
  background: #2d2d30;
  color: #e8eaed;
  border-color: #5f6368;
}

[data-theme='dark'] .auth-btn.google-btn:hover {
  background: #3c3c40;
  border-color: #8e918f;
}

/* Auth Divider */
.auth-divider {
  display: flex;
  align-items: center;
  text-align: center;
  margin: 16px 0;
  color: var(--text-tertiary);
  font-size: 12px;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  border-bottom: 1px solid var(--border-light);
}

.auth-divider span {
  padding: 0 12px;
}

.auth-error {
  padding: 12px;
  background: var(--danger-light);
  border: 1px solid var(--danger);
  border-radius: var(--radius-sm);
  color: var(--danger);
  font-size: 13px;
  text-align: center;
}

.auth-error.hidden {
  display: none;
}

/* =============================================
   USER MENU STYLES
   ============================================= */

.user-menu-wrapper {
  position: relative;
}

.user-btn {
  padding: 4px !important;
}

.user-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
}

.user-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  box-shadow: var(--node-shadow-hover);
  min-width: 200px;
  z-index: 1000;
  overflow: hidden;
}

.user-dropdown.hidden {
  display: none;
}

.user-dropdown-header {
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.user-dropdown-header span:first-child {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 14px;
}

.user-email {
  font-size: 12px;
  color: var(--text-tertiary);
}

.user-dropdown-divider {
  height: 1px;
  background: var(--border-light);
}

.user-dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 16px;
  font-size: 13px;
  color: var(--text-secondary);
  background: none;
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: left;
}

.user-dropdown-item:hover {
  background: var(--bg-tertiary);
}

.user-dropdown-item.danger {
  color: var(--danger);
}

.user-dropdown-item.danger:hover {
  background: var(--danger-light);
}

/* Theme toggle en menú usuario */
#toggle-theme-menu {
  position: relative;
}

#toggle-theme-menu .theme-icon-light,
#toggle-theme-menu .theme-text-light {
  display: inline;
}

#toggle-theme-menu .theme-icon-dark,
#toggle-theme-menu .theme-text-dark,
#toggle-theme-menu .theme-icon-focus,
#toggle-theme-menu .theme-text-focus {
  display: none;
}

body.dark-theme #toggle-theme-menu .theme-icon-light,
body.dark-theme #toggle-theme-menu .theme-text-light {
  display: none;
}

body.dark-theme #toggle-theme-menu .theme-icon-dark,
body.dark-theme #toggle-theme-menu .theme-text-dark {
  display: inline;
}

body.focus-theme #toggle-theme-menu .theme-icon-light,
body.focus-theme #toggle-theme-menu .theme-text-light,
body.focus-theme #toggle-theme-menu .theme-icon-dark,
body.focus-theme #toggle-theme-menu .theme-text-dark {
  display: none;
}

body.focus-theme #toggle-theme-menu .theme-icon-focus,
body.focus-theme #toggle-theme-menu .theme-text-focus {
  display: inline;
}

/* ===== Menú opciones móvil (utilidades + tema) ===== */
.mobile-options-wrapper {
  position: relative;
  display: none; /* Oculto por defecto, visible solo en móvil */
}

.mobile-options-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 200px;
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  z-index: 1001;
  padding: 8px 0;
}

.mobile-options-section {
  padding: 8px 16px 4px;
}

.mobile-options-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-tertiary);
}

.mobile-options-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 16px;
  background: none;
  border: none;
  font-size: 14px;
  color: var(--text-primary);
  cursor: pointer;
  text-align: left;
  transition: background 0.15s;
}

.mobile-options-item:hover {
  background: var(--bg-tertiary);
}

.mobile-options-item i {
  font-size: 18px;
  color: var(--text-secondary);
  width: 20px;
  text-align: center;
}

.mobile-options-divider {
  height: 1px;
  background: var(--border-light);
  margin: 8px 0;
}

/* Estados del tema en menú móvil */
#mobile-toggle-theme .theme-icon-light,
#mobile-toggle-theme .theme-text-light {
  display: inline;
}

#mobile-toggle-theme .theme-icon-dark,
#mobile-toggle-theme .theme-text-dark,
#mobile-toggle-theme .theme-icon-focus,
#mobile-toggle-theme .theme-text-focus {
  display: none;
}

body.dark-theme #mobile-toggle-theme .theme-icon-light,
body.dark-theme #mobile-toggle-theme .theme-text-light {
  display: none;
}

body.dark-theme #mobile-toggle-theme .theme-icon-dark,
body.dark-theme #mobile-toggle-theme .theme-text-dark {
  display: inline;
}

body.focus-theme #mobile-toggle-theme .theme-icon-light,
body.focus-theme #mobile-toggle-theme .theme-text-light,
body.focus-theme #mobile-toggle-theme .theme-icon-dark,
body.focus-theme #mobile-toggle-theme .theme-text-dark {
  display: none;
}

body.focus-theme #mobile-toggle-theme .theme-icon-focus,
body.focus-theme #mobile-toggle-theme .theme-text-focus {
  display: inline;
}

/* Loading spinner for auth */
.auth-btn.loading {
  position: relative;
  color: transparent;
}

.auth-btn.loading::after {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  top: 50%;
  left: 50%;
  margin-left: -9px;
  margin-top: -9px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Mobile adjustments for auth */
@media (max-width: 480px) {
  .auth-container {
    padding: 24px;
  }

  .auth-header h2 {
    font-size: 20px;
  }
}

/* =============================================
   FEEDBACK WIDGET
   ============================================= */
.floating-actions {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1000;
  display: flex;
  align-items: flex-end;
  gap: 12px;
}

.floating-action-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-primary);
  color: var(--text-secondary);
  border: 1px solid var(--border-light);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  box-shadow: none;
  transition:
    background var(--transition-fast),
    color var(--transition-fast),
    border-color var(--transition-fast);
}

.floating-action-btn:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border-color: var(--border-medium);
}

.floating-action-btn i {
  font-size: 18px;
  width: 18px;
  height: 18px;
}

.feedback-widget {
  position: relative;
}

.feedback-toggle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--bg-primary);
  color: var(--text-secondary);
  border: 1px solid var(--border-light);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  box-shadow: none;
  transition:
    background var(--transition-fast),
    color var(--transition-fast),
    border-color var(--transition-fast);
}

.feedback-toggle:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border-color: var(--border-medium);
}

.feedback-form {
  position: absolute;
  bottom: 52px;
  right: 0;
  width: 280px;
  background: var(--bg-primary);
  border-radius: var(--radius-md);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
  border: 1px solid var(--border-light);
  overflow: hidden;
  animation: slideUp 0.2s ease;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.feedback-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 12px 6px;
}

.feedback-header h4 {
  margin: 0;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

.feedback-close {
  background: none;
  border: none;
  color: var(--text-tertiary);
  cursor: pointer;
  padding: 4px;
  border-radius: 4px;
  transition: all var(--transition-fast);
}

.feedback-close:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.feedback-subtitle {
  padding: 0 12px 8px;
  margin: 0;
  font-size: 11px;
  color: var(--text-tertiary);
}

.feedback-form .form-group {
  padding: 0 12px 10px;
}

.feedback-form select,
.feedback-form textarea {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--text-primary);
  font-size: 12px;
  font-family: inherit;
  transition: all var(--transition-fast);
}

.feedback-form select:focus,
.feedback-form textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: none;
}

.feedback-form textarea {
  resize: vertical;
  min-height: 64px;
}

.feedback-submit {
  width: calc(100% - 24px);
  margin: 0 12px 12px;
  padding: 9px 10px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.feedback-submit:hover {
  background: var(--bg-tertiary);
  border-color: var(--border-medium);
  transform: none;
}

/* =============================================
   MODAL STYLES
   ============================================= */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.modal-overlay.hidden {
  display: none;
}

.modal-content {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 400px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
  animation: scaleIn 0.2s ease;
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.modal-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-light);
}

.modal-header i {
  font-size: 24px;
  color: #6366f1;
}

.modal-header.danger i {
  color: var(--danger);
}

.modal-header h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
}

.modal-body {
  padding: 20px 24px;
}

.modal-body p {
  margin: 0 0 8px;
  color: var(--text-secondary);
  font-size: 14px;
}

.modal-body .text-muted {
  color: var(--text-tertiary);
  font-size: 13px;
}

.modal-body .form-group {
  margin-bottom: 16px;
}

.modal-body .form-group:last-child {
  margin-bottom: 0;
}

.modal-body label {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
}

.modal-body input,
.modal-body textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 14px;
  font-family: inherit;
}

.modal-body input:focus,
.modal-body textarea:focus {
  outline: none;
  border-color: #6366f1;
}

.modal-actions {
  display: flex;
  gap: 12px;
  padding: 16px 24px 20px;
  justify-content: flex-end;
}

.modal-btn {
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
}

.modal-btn.secondary {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
}

.modal-btn.secondary:hover {
  background: var(--border-medium);
}

.modal-btn.primary {
  background: #6366f1;
  color: white;
}

.modal-btn.primary:hover {
  background: #5558e3;
}

.modal-btn.danger {
  background: var(--danger);
  color: white;
}

.modal-btn.danger:hover {
  opacity: 0.9;
}

/* Mobile adjustments */
@media (max-width: 480px) {
  .floating-actions {
    bottom: 16px;
    right: 16px;
  }

  .feedback-toggle {
    width: 50px;
    height: 50px;
    font-size: 22px;
  }

  .floating-action-btn {
    width: 50px;
    height: 50px;
    font-size: 22px;
  }

  .floating-action-btn i {
    font-size: 22px;
    width: 22px;
    height: 22px;
  }

  .feedback-form {
    width: calc(100vw - 32px);
    right: -8px;
  }

  .modal-content {
    margin: 16px;
  }
}

/* =============================================
   Sharing System Styles
   ============================================= */

/* Badge for shared count in dropdown */
.shared-badge {
  background: var(--primary-color);
  color: white;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 10px;
  margin-left: auto;
}

.shared-badge.hidden {
  display: none;
}

/* Share info box */
.share-info {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px;
  background: var(--bg-tertiary);
  border-radius: 8px;
  margin: 16px 0;
  color: var(--text-secondary);
  font-size: 13px;
}

.share-info i {
  font-size: 18px;
  color: var(--primary-color);
}

/* Shared users list in modal */
.shared-users-list {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border-color);
}

.shared-users-list h4 {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.shared-user-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  background: var(--bg-tertiary);
  border-radius: 8px;
  margin-bottom: 8px;
}

.shared-user-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

.shared-user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--primary-color);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 600;
}

.shared-user-email {
  font-size: 13px;
  color: var(--text-primary);
}

.shared-user-remove {
  background: none;
  border: none;
  color: var(--text-tertiary);
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
  transition: all 0.2s;
}

.shared-user-remove:hover {
  background: var(--danger-color);
  color: white;
}

/* Shared mindmaps list (maps shared with me) */
.shared-mindmaps-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.shared-mindmap-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px;
  background: var(--bg-tertiary);
  border-radius: 12px;
  border: 1px solid var(--border-color);
  transition: all 0.2s;
}

.shared-mindmap-item:hover {
  border-color: var(--primary-color);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.shared-mindmap-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.shared-mindmap-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

.shared-mindmap-owner {
  font-size: 12px;
  color: var(--text-secondary);
}

.shared-mindmap-view-btn {
  background: var(--primary-color);
  color: white;
  border: none;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s;
}

.shared-mindmap-view-btn:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-secondary);
}

.empty-state i {
  font-size: 48px;
  margin-bottom: 12px;
  opacity: 0.5;
}

.empty-state p {
  font-size: 14px;
}

.empty-state.hidden {
  display: none;
}

/* Read-only banner */
.readonly-banner {
  position: relative;
  width: 100%;
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  color: white;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-size: 14px;
  font-weight: 500;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.readonly-banner.hidden {
  display: none;
}

.readonly-banner i {
  font-size: 18px;
}

.readonly-exit-btn {
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: white;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: 20px;
  transition: all 0.2s;
}

.readonly-exit-btn:hover {
  background: rgba(255, 255, 255, 0.3);
}

/* Readonly mode - disable "Today" view option for shared maps (with owner) */
/* NOTA: En modo público SÍ permitimos ver la vista Hoy, solo deshabilitamos edición */
body.readonly-mode:not(.public-view-mode) .view-option.today-option {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

/* Readonly mode - disable mindmap selector */
body.readonly-mode .mindmap-selector-btn {
  pointer-events: none;
  opacity: 0.6;
}

body.readonly-mode .mindmap-caret {
  display: none;
}

/* =============================================
   PUBLIC VIEW MODE (anonymous visitors)
   ============================================= */

/* Hide user elements for public visitors */
body.public-view-mode .user-menu-btn,
body.public-view-mode .mindmap-selector,
body.public-view-mode #add-child-btn,
body.public-view-mode #undo-btn,
body.public-view-mode #redo-btn,
body.public-view-mode .toolbar-edit-group {
  display: none !important;
}

/* Public invite banner - bottom floating */
.public-invite-banner {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: #6366f1;
  color: white;
  padding: 12px 24px;
  border-radius: 50px;
  box-shadow: 0 4px 24px rgba(99, 102, 241, 0.5);
  z-index: 1000;
  animation: slideUpFade 0.4s ease;
}

.public-invite-banner.hidden {
  display: none;
}

.public-invite-content {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  font-weight: 500;
}

.public-invite-content i {
  font-size: 18px;
}

.public-invite-btn {
  background: white;
  color: #6366f1;
  padding: 8px 16px;
  border-radius: 20px;
  font-weight: 600;
  font-size: 13px;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s;
  margin-left: 8px;
}

.public-invite-btn:hover {
  background: #eef2ff;
  transform: scale(1.02);
}

@keyframes slideUpFade {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

/* Public share error overlay */
.public-share-error-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
}

.public-share-error-content {
  text-align: center;
  padding: 40px;
}

.public-share-error-content h2 {
  margin: 20px 0 10px;
  font-size: 24px;
  color: var(--text-primary);
}

.public-share-error-content p {
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.public-share-error-content .btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: var(--accent-primary);
  color: white;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 500;
  transition: all 0.2s;
}

.public-share-error-content .btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

/* Public link section in share modal */
.public-link-section {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border-light);
}

.public-link-section h4 {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.public-link-section .share-description {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.public-link-container {
  display: flex;
  gap: 8px;
  align-items: center;
}

#public-share-link {
  flex: 1;
  padding: 10px 12px;
  border: 1px solid var(--border-medium);
  border-radius: 8px;
  font-size: 13px;
  background: var(--bg-secondary);
  color: var(--text-primary);
}

#public-share-link::placeholder {
  color: var(--text-tertiary);
}

.public-link-container .btn-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  border: 1px solid var(--border-medium);
  background: var(--bg-primary);
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: all 0.2s;
}

.public-link-container .btn-icon:hover {
  background: var(--bg-secondary);
  border-color: var(--accent-primary);
}

.public-link-container .btn-icon.btn-danger {
  color: var(--danger);
}

.public-link-container .btn-icon.btn-danger:hover {
  background: var(--danger-light);
  border-color: var(--danger);
}

.public-link-container .btn-icon.hidden {
  display: none;
}

/* Email invite section */
.email-invite-section {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px dashed var(--border-light);
}

.email-invite-section.hidden {
  display: none;
}

.email-invite-container {
  display: flex;
  gap: 8px;
  align-items: center;
}

#invite-email-input {
  flex: 1;
  padding: 10px 12px;
  border: 1px solid var(--border-medium);
  border-radius: 8px;
  font-size: 13px;
  background: var(--bg-primary);
  color: var(--text-primary);
}

#invite-email-input::placeholder {
  color: var(--text-tertiary);
}

.invite-status {
  display: block;
  font-size: 12px;
  margin-top: 8px;
  padding: 6px 10px;
  border-radius: 6px;
}

.invite-status.hidden {
  display: none;
}

.invite-status.success {
  background: var(--success-light);
  color: var(--success);
}

.invite-status.error {
  background: var(--danger-light);
  color: var(--danger);
}

/* Form error for share modal */
.form-error {
  color: var(--danger-color);
  font-size: 12px;
  margin-top: 6px;
  display: block;
}

.form-error.hidden {
  display: none;
}

/* =============================================
   MINDMAP SELECTOR STYLES
   ============================================= */

.mindmap-selector-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.mindmap-selector-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  max-width: 220px;
}

.mindmap-selector-btn:hover {
  background: var(--bg-tertiary);
  border-color: var(--accent-primary);
}

.mindmap-selector-btn i:first-child {
  color: var(--accent-primary);
  font-size: 18px;
  flex-shrink: 0;
}

.mindmap-title {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
  text-align: left;
}

.mindmap-caret {
  color: var(--text-tertiary);
  font-size: 12px;
  transition: transform var(--transition-fast);
  flex-shrink: 0;
}

.mindmap-selector-wrapper.open .mindmap-caret {
  transform: rotate(180deg);
}

/* Dropdown */
.mindmap-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-primary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  box-shadow: var(--node-shadow-hover);
  min-width: 280px;
  max-width: 320px;
  z-index: 1000;
  overflow: hidden;
}

.mindmap-dropdown.hidden {
  display: none;
}

.mindmap-dropdown-header {
  padding: 12px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-secondary);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.mindmap-count-badge {
  background: var(--accent-primary);
  color: white;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
}

.mindmap-count-badge.small {
  padding: 1px 6px;
  font-size: 10px;
}

.mindmap-count-badge.limit-reached {
  background: var(--warning-color, #f59e0b);
}

.mindmaps-list {
  max-height: 200px;
  overflow-y: auto;
}

.mindmaps-list:empty::before {
  content: 'No hay mapas';
  display: block;
  padding: 16px;
  text-align: center;
  color: var(--text-tertiary);
  font-size: 13px;
}

.mindmaps-list.shared:empty::before {
  content: 'Sin mapas compartidos';
}

.mindmap-item {
  display: flex;
  align-items: center;
  padding: 10px 16px;
  gap: 10px;
  cursor: pointer;
  transition: background var(--transition-fast);
  border-left: 3px solid transparent;
  touch-action: manipulation; /* Elimina delay de 300ms en móvil */
  -webkit-tap-highlight-color: transparent;
}

.mindmap-item:hover {
  background: var(--bg-tertiary);
}

.mindmap-item.active {
  background: var(--accent-light, rgba(99, 102, 241, 0.1));
  border-left-color: var(--accent-primary);
}

.mindmap-item-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: var(--bg-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 14px;
  flex-shrink: 0;
}

.mindmap-item.active .mindmap-item-icon {
  background: var(--accent-primary);
  color: white;
}

.mindmap-item-info {
  flex: 1;
  min-width: 0;
}

.mindmap-item-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mindmap-item-meta {
  font-size: 11px;
  color: var(--text-tertiary);
}

.mindmap-item-actions {
  display: flex;
  gap: 4px;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.mindmap-item:hover .mindmap-item-actions {
  opacity: 1;
}

.mindmap-action-btn {
  width: 24px;
  height: 24px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-tertiary);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.mindmap-action-btn:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.mindmap-action-btn.danger:hover {
  background: rgba(239, 68, 68, 0.1);
  color: var(--danger-color, #ef4444);
}

.mindmap-dropdown-divider {
  height: 1px;
  background: var(--border-light);
  margin: 4px 0;
}

.mindmap-dropdown-section {
  padding: 8px 16px 4px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.section-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.mindmap-dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 16px;
  font-size: 13px;
  color: var(--text-secondary);
  background: none;
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: left;
}

.mindmap-dropdown-item:hover {
  background: var(--bg-tertiary);
}

.mindmap-dropdown-item.create-btn {
  color: var(--accent-primary);
}

.mindmap-dropdown-item.create-btn:hover {
  background: var(--accent-light, rgba(99, 102, 241, 0.1));
}

.mindmap-dropdown-item.disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Shared mindmaps in selector */
.mindmaps-list.shared .mindmap-item {
  opacity: 0.9;
}

.mindmaps-list.shared .mindmap-item-icon {
  background: var(--bg-tertiary);
}

.shared-indicator {
  font-size: 10px;
  color: var(--accent-primary);
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Modal de mapa */
.mindmap-modal {
  max-width: 400px;
}

.mindmap-icon-group {
  align-items: flex-start;
}

.mindmap-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-medium);
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: 20px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.mindmap-icon-btn:hover {
  border-color: var(--accent-primary);
  background: var(--bg-tertiary);
}

.mindmap-modal .template-description {
  margin: 8px 0 0;
  font-size: 12px;
  color: var(--text-tertiary);
  line-height: 1.4;
}

.mindmap-modal select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border-light);
  border-radius: 10px;
  background: var(--bg-primary);
  color: var(--text-primary);
}

.modal-header.danger {
  color: var(--danger-color, #ef4444);
}

.modal-header.danger i {
  color: var(--danger-color, #ef4444);
}

.modal-btn.danger {
  background: var(--danger-color, #ef4444);
  color: white;
}

.modal-btn.danger:hover {
  opacity: 0.9;
}

/* Mobile responsive for selector */
@media (max-width: 768px) {
  .mindmap-selector-btn {
    max-width: 150px;
    padding: 6px 10px;
  }

  .mindmap-title {
    font-size: 13px;
  }

  .mindmap-dropdown {
    min-width: 260px;
    left: 0;
    transform: none;
  }
}

/* =============================================
   LOCAL BACKUPS LIST
   ============================================= */

.backup-section {
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-light);
}

.backup-section:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.backup-section-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 6px 0;
}

.backup-section-title i {
  color: var(--accent-primary);
}

.backup-section-desc {
  font-size: 12px;
  margin: 0 0 12px 0;
}

.backups-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.backups-actions .modal-btn i {
  margin-right: 6px;
}

.backups-help-btn {
  margin-left: auto;
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--border-light);
  background: var(--bg-primary);
  color: var(--text-tertiary);
  cursor: pointer;
}

.backups-help-btn:hover {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

.backups-list {
  max-height: 300px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.backup-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px;
  background: var(--bg-secondary);
  border-radius: 8px;
  border: 1px solid var(--border-color);
}

.backup-item:hover {
  background: var(--bg-hover);
}

.backup-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.backup-title {
  font-weight: 500;
  font-size: 14px;
  color: var(--text-primary);
}

.backup-meta {
  font-size: 13px;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.backup-date {
  font-weight: 500;
}

.backup-reason {
  padding: 2px 6px;
  background: var(--primary-50);
  color: var(--primary-600);
  border-radius: 4px;
  font-size: 10px;
  text-transform: uppercase;
}

.backup-actions {
  display: flex;
  gap: 8px;
}

.backup-restore-btn {
  padding: 6px 12px;
  background: var(--primary-500);
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 12px;
  cursor: pointer;
  transition: background 0.2s;
}

.backup-restore-btn:hover {
  background: var(--primary-600);
}

.backups-empty {
  text-align: center;
  padding: 24px;
  color: var(--text-secondary);
}

/* ===== Public View Mode Styles ===== */
/* Estilos específicos para visitantes sin cuenta viendo un mapa compartido */

.public-view-mode .toolbar-center {
  /* Ocultar selector de mindmaps completamente */
  display: none;
}

.public-view-mode .mindmap-selector-wrapper {
  display: none !important;
}

.public-view-mode .user-menu-wrapper {
  display: none !important;
}

.public-view-mode #save-status,
.public-view-mode #save-now,
.public-view-mode #undo-btn,
.public-view-mode #redo-btn,
.public-view-mode #help-btn {
  display: none !important;
}

.public-view-mode .toolbar-right .toolbar-divider {
  display: none !important;
}

/* Mantener visibles los controles de navegación */
.public-view-mode .view-switch,
.public-view-mode #toggle-view,
.public-view-mode #toggle-tasks-collapse,
.public-view-mode #toggle-theme {
  display: flex !important;
  pointer-events: auto !important;
}

/* Ajustar toolbar cuando no hay elementos de usuario */
.public-view-mode .toolbar-right {
  gap: 8px;
}

/* Banner de invitación - estilos ya definidos arriba, solo override para tema oscuro */

.public-invite-btn:hover {
  background: var(--primary-50);
  transform: translateY(-1px);
}

/* En modo público, ocultar botones de edición en nodos */
.public-view-mode .node-add-btn,
.public-view-mode .add-task-btn,
.public-view-mode .task-delete-btn,
.public-view-mode .subtask-delete-btn,
.public-view-mode .node-header.draggable {
  pointer-events: none;
}

.public-view-mode .node-add-btn,
.public-view-mode .add-task-btn {
  display: none !important;
}

/* Pero mantener funcionales los toggles de expand/collapse */
.public-view-mode .node-toggle,
.public-view-mode .tasks-toggle,
.public-view-mode .subtask-toggle {
  pointer-events: auto !important;
  cursor: pointer !important;
}

/* En kanban, ocultar botones de añadir */
.public-view-mode .kanban-add-card-btn,
.public-view-mode .kanban-add-subtask-btn {
  display: none !important;
}

/* Hacer que los checkboxes no sean interactivos en modo público */
.public-view-mode .task-checkbox,
.public-view-mode .subtask-checkbox {
  pointer-events: none;
  opacity: 0.7;
}

/* Hacer que los inputs de tareas no sean editables */
.public-view-mode .task-title,
.public-view-mode .subtask-title,
.public-view-mode .node-title {
  pointer-events: none;
}

/* ===== Conflict Resolution Modal ===== */
/* Modal para resolver conflictos de concurrencia entre sesiones */

.conflict-modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  animation: fadeIn 0.2s ease;
}

.conflict-modal {
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  padding: 32px;
  max-width: 420px;
  width: 90%;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
  animation: slideUp 0.3s ease;
}

.conflict-icon {
  font-size: 48px;
  text-align: center;
  margin-bottom: 16px;
}

.conflict-modal h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  text-align: center;
  margin: 0 0 12px 0;
}

.conflict-modal p {
  font-size: 14px;
  color: var(--text-secondary);
  text-align: center;
  margin: 0 0 24px 0;
  line-height: 1.5;
}

.conflict-options {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.conflict-btn {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 16px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: left;
}

.conflict-btn:hover {
  border-color: var(--accent-primary);
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: var(--node-shadow-hover);
}

.conflict-btn .btn-icon {
  font-size: 24px;
  margin-bottom: 8px;
}

.conflict-btn .btn-text {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.conflict-btn .btn-desc {
  font-size: 12px;
  color: var(--text-secondary);
}

.conflict-btn.keep-local:hover {
  border-color: var(--success);
  background: var(--success-light);
}

.conflict-btn.keep-remote:hover {
  border-color: var(--today-accent);
  background: var(--today-accent-soft);
}

.conflict-btn.merge:hover {
  border-color: #f59e0b;
  background: rgba(245, 158, 11, 0.1);
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== Offline Mode Indicator ===== */
#save-status.offline-mode {
  color: #f59e0b;
  font-weight: 600;
  animation: pulse-offline 2s ease-in-out infinite;
}

@keyframes pulse-offline {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

/* Banner de modo offline (opcional, más visible) */
.offline-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: linear-gradient(90deg, #f59e0b, #d97706);
  color: white;
  text-align: center;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  z-index: 9999;
  transform: translateY(-100%);
  transition: transform 0.3s ease;
}

.offline-banner.visible {
  transform: translateY(0);
}

.offline-banner-icon {
  margin-right: 8px;
}

/* Ajustar toolbar cuando hay banner */
body.has-offline-banner .canvas-toolbar {
  top: 36px;
}

/* Flat UI experiment */
body.flat-ui,
body.flat-ui * {
  box-shadow: none !important;
}

body.flat-ui .node,
body.flat-ui .node-inbox-panel,
body.flat-ui .kanban-card {
  border: none !important;
}

body.flat-ui .kanban-card.inbox-card .node-tasks {
  border-top: none !important;
}

body.flat-ui .today-group {
  border: none !important;
}

body.flat-ui .today-group-header {
  border-bottom: none !important;
}

/* =============================================
   MAP SWITCH LOADING OVERLAY
   ============================================= */
.map-switch-loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.map-switch-loading-overlay.visible {
  opacity: 1;
  pointer-events: auto;
}

.map-switch-loading-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.map-switch-loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border-light);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.map-switch-loading-text {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
}