/* Design System from spec */
:root {
  /* Base - dark, warm gray */
  --bg-primary: #1a1a1e;
  --bg-secondary: #232328;
  --bg-tertiary: #2a2a30;
  --bg-hover: #35353d;

  /* Text */
  --text-primary: #e8e8ec;
  --text-secondary: #a0a0a8;
  --text-muted: #6b6b73;

  /* Accent */
  --accent: #6b8afd;
  --accent-hover: #8aa2fd;
  --accent-muted: rgba(107, 138, 253, 0.15);

  /* Status */
  --success: #4ade80;
  --warning: #fbbf24;
  --error: #f87171;
  --overdue: #ef4444;

  /* Category colors (Google Calendar IDs) */
  --cat-1: #7c7cba; /* Lavender */
  --cat-2: #7cb77c; /* Sage */
  --cat-3: #9a6dd7; /* Grape */
  --cat-4: #e07c7c; /* Flamingo */
  --cat-5: #e0d87c; /* Banana */
  --cat-6: #e0a57c; /* Tangerine */
  --cat-7: #7cc4d4; /* Peacock */
  --cat-8: #8a8a8a; /* Graphite */
  --cat-9: #6b8afd; /* Blueberry */
  --cat-10: #5a9a5a; /* Basil */
  --cat-11: #d95757; /* Tomato */

  /* Borders & shadows */
  --border: rgba(255, 255, 255, 0.06);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.5rem;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;

  /* Transitions */
  --transition-fast: 100ms ease;
  --transition-base: 150ms ease;
}

/* Light mode */
[data-theme="light"] {
  --bg-primary: #f8f8fa;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f0f0f4;
  --bg-hover: #e8e8ec;
  --text-primary: #1a1a1e;
  --text-secondary: #5a5a62;
  --text-muted: #8a8a92;
  --border: rgba(0, 0, 0, 0.08);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
}

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

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.5;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
}

/* Screens */
.screen {
  min-height: 100vh;
}

.hidden {
  display: none !important;
}

/* Login */
.login-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: var(--space-4);
}

.login-container h1 {
  font-size: var(--text-xl);
  font-weight: 600;
  margin-bottom: var(--space-8);
  color: var(--accent);
}

#login-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  width: 100%;
  max-width: 300px;
}

#login-form input {
  padding: var(--space-3);
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: var(--text-base);
}

#login-form input:focus {
  outline: none;
  border-color: var(--accent);
}

.error {
  color: var(--error);
  font-size: var(--text-sm);
  text-align: center;
}

/* Buttons */
button {
  cursor: pointer;
  font-family: inherit;
  font-size: var(--text-sm);
  font-weight: 500;
  border: none;
  border-radius: var(--radius-sm);
  padding: var(--space-2) var(--space-4);
  transition: all var(--transition-base);
}

button:active {
  transform: scale(0.98);
}

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

.btn-primary:hover {
  background: var(--accent-hover);
}

.btn-secondary {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

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

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
}

.btn-ghost:hover {
  color: var(--text-primary);
}

.btn-success {
  background: var(--success);
  color: #1a1a1e;
}

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

/* Header */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}

.app-header h1 {
  font-size: var(--text-lg);
  font-weight: 600;
}

.header-actions {
  display: flex;
  gap: var(--space-2);
  align-items: center;
}

/* Quick Add */
.quick-add-container {
  padding: var(--space-4) var(--space-6);
  background: var(--bg-secondary);
}

#quick-add {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: var(--text-base);
  transition: all var(--transition-base);
}

#quick-add:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-muted);
}

#quick-add::placeholder {
  color: var(--text-muted);
}

/* Kanban Board */
.kanban-board {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-6);
  overflow-x: auto;
  min-height: calc(100vh - 140px);
}

/* Kanban Column */
.kanban-column {
  flex: 0 0 300px;
  min-width: 280px;
  max-width: 320px;
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
}

.column-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border);
}

.column-title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.column-count {
  font-size: var(--text-xs);
  color: var(--text-muted);
  background: var(--bg-tertiary);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
}

.column-tasks {
  flex: 1;
  padding: var(--space-2);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  overflow-y: auto;
  min-height: 100px;
}

/* Task Card */
.task-card {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-md);
  padding: var(--space-3);
  cursor: pointer;
  transition: all var(--transition-base);
  animation: card-enter 200ms ease;
}

.task-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.task-card.dragging {
  opacity: 0.5;
}

.task-card.drag-over {
  border: 2px dashed var(--accent);
  background: var(--accent-muted);
}

.task-title {
  font-size: var(--text-sm);
  font-weight: 500;
  margin-bottom: var(--space-2);
}

.task-meta {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  font-size: var(--text-xs);
  color: var(--text-muted);
}

.task-meta span {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.task-card.overdue {
  border-left-color: var(--overdue);
  background: rgba(239, 68, 68, 0.1);
}

.task-card.due-today {
  border-left-color: var(--warning);
}

.task-card.has-warning {
  position: relative;
}

.task-card.has-warning::after {
  content: '!';
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  width: 16px;
  height: 16px;
  background: var(--warning);
  color: #1a1a1e;
  border-radius: 50%;
  font-size: 10px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.task-card.blocked {
  opacity: 0.6;
}

@keyframes card-enter {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Category Colors */
.task-card[data-color="1"] { border-left-color: var(--cat-1); }
.task-card[data-color="2"] { border-left-color: var(--cat-2); }
.task-card[data-color="3"] { border-left-color: var(--cat-3); }
.task-card[data-color="4"] { border-left-color: var(--cat-4); }
.task-card[data-color="5"] { border-left-color: var(--cat-5); }
.task-card[data-color="6"] { border-left-color: var(--cat-6); }
.task-card[data-color="7"] { border-left-color: var(--cat-7); }
.task-card[data-color="8"] { border-left-color: var(--cat-8); }
.task-card[data-color="9"] { border-left-color: var(--cat-9); }
.task-card[data-color="10"] { border-left-color: var(--cat-10); }
.task-card[data-color="11"] { border-left-color: var(--cat-11); }

/* Task Panel */
.task-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: 400px;
  max-width: 100%;
  height: 100vh;
  background: var(--bg-secondary);
  box-shadow: var(--shadow-lg);
  z-index: 100;
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 250ms ease;
}

.task-panel.visible {
  transform: translateX(0);
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4);
  border-bottom: 1px solid var(--border);
}

.panel-header h2 {
  font-size: var(--text-lg);
  font-weight: 600;
}

#panel-close {
  font-size: 24px;
  padding: var(--space-1);
}

.panel-content {
  flex: 1;
  padding: var(--space-4);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.panel-content label {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.panel-content input,
.panel-content select,
.panel-content textarea {
  padding: var(--space-2) var(--space-3);
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: var(--text-base);
  font-family: inherit;
}

.panel-content input:focus,
.panel-content select:focus,
.panel-content textarea:focus {
  outline: none;
  border-color: var(--accent);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}

.panel-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  font-size: var(--text-sm);
  color: var(--text-muted);
  padding: var(--space-3);
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
}

.panel-info .warning {
  color: var(--warning);
}

.panel-actions {
  display: flex;
  gap: var(--space-2);
  padding-top: var(--space-4);
  border-top: 1px solid var(--border);
}

.panel-actions button {
  flex: 1;
}

.panel-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 99;
}

.panel-overlay.visible {
  display: block;
}

/* View Toggle */
.view-toggle {
  display: flex;
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  padding: 2px;
  gap: 2px;
}

.view-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2);
  background: transparent;
  color: var(--text-muted);
  border-radius: calc(var(--radius-sm) - 2px);
}

.view-btn:hover {
  color: var(--text-secondary);
}

.view-btn.active {
  background: var(--bg-hover);
  color: var(--accent);
}

/* Gantt View */
.gantt-view {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 140px);
  overflow: hidden;
  background: var(--bg-primary);
}

.gantt-header {
  display: flex;
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
  position: sticky;
  top: 0;
  z-index: 10;
}

.gantt-sidebar-header {
  flex: 0 0 160px;
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-right: 1px solid var(--border);
  background: var(--bg-secondary);
}

.gantt-timeline-header {
  flex: 1;
  display: flex;
  overflow-x: auto;
  scrollbar-width: none;
}

.gantt-timeline-header::-webkit-scrollbar {
  display: none;
}

.gantt-time-slot {
  flex: 0 0 60px;
  min-width: 60px;
  padding: var(--space-2) var(--space-1);
  text-align: center;
  font-size: var(--text-xs);
  color: var(--text-muted);
  border-right: 1px solid var(--border);
}

.gantt-time-slot.hour-start {
  font-weight: 500;
  color: var(--text-secondary);
  border-right-color: var(--text-muted);
}

.gantt-time-slot.day-marker {
  background: var(--bg-tertiary);
  font-weight: 600;
  color: var(--text-primary);
}

.gantt-body {
  display: flex;
  flex: 1;
  overflow: hidden;
}

.gantt-sidebar {
  flex: 0 0 160px;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border);
  background: var(--bg-secondary);
  overflow-y: auto;
}

.gantt-category-label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  min-height: 48px;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border);
}

.gantt-category-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.gantt-timeline {
  flex: 1;
  position: relative;
  overflow: auto;
  background: var(--bg-primary);
}

.gantt-timeline-grid {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  display: flex;
  pointer-events: none;
}

.gantt-grid-line {
  width: 60px;
  border-right: 1px solid var(--border);
}

.gantt-grid-line.hour-start {
  border-right-color: var(--text-muted);
  opacity: 0.3;
}

.gantt-row {
  position: relative;
  min-height: 48px;
  border-bottom: 1px solid var(--border);
}

.gantt-bar {
  position: absolute;
  top: 8px;
  height: 32px;
  min-width: 30px;
  background: var(--accent);
  border-radius: var(--radius-sm);
  padding: 0 var(--space-2);
  display: flex;
  align-items: center;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  overflow: hidden;
  z-index: 1;
}

.gantt-bar:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
  z-index: 2;
}

.gantt-bar-title {
  font-size: var(--text-xs);
  font-weight: 500;
  color: white;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.gantt-bar.overdue {
  background: var(--overdue);
}

.gantt-bar.has-warning::after {
  content: '!';
  position: absolute;
  top: 2px;
  right: 4px;
  width: 14px;
  height: 14px;
  background: var(--warning);
  color: #1a1a1e;
  border-radius: 50%;
  font-size: 9px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Category colors for Gantt bars */
.gantt-bar[data-color="1"] { background: var(--cat-1); }
.gantt-bar[data-color="2"] { background: var(--cat-2); }
.gantt-bar[data-color="3"] { background: var(--cat-3); }
.gantt-bar[data-color="4"] { background: var(--cat-4); }
.gantt-bar[data-color="5"] { background: var(--cat-5); }
.gantt-bar[data-color="6"] { background: var(--cat-6); }
.gantt-bar[data-color="7"] { background: var(--cat-7); }
.gantt-bar[data-color="8"] { background: var(--cat-8); }
.gantt-bar[data-color="9"] { background: var(--cat-9); }
.gantt-bar[data-color="10"] { background: var(--cat-10); }
.gantt-bar[data-color="11"] { background: var(--cat-11); }

/* Category dot colors */
.gantt-category-dot[data-color="1"] { background: var(--cat-1); }
.gantt-category-dot[data-color="2"] { background: var(--cat-2); }
.gantt-category-dot[data-color="3"] { background: var(--cat-3); }
.gantt-category-dot[data-color="4"] { background: var(--cat-4); }
.gantt-category-dot[data-color="5"] { background: var(--cat-5); }
.gantt-category-dot[data-color="6"] { background: var(--cat-6); }
.gantt-category-dot[data-color="7"] { background: var(--cat-7); }
.gantt-category-dot[data-color="8"] { background: var(--cat-8); }
.gantt-category-dot[data-color="9"] { background: var(--cat-9); }
.gantt-category-dot[data-color="10"] { background: var(--cat-10); }
.gantt-category-dot[data-color="11"] { background: var(--cat-11); }

/* Now indicator */
.gantt-now {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--error);
  z-index: 5;
  pointer-events: none;
}

.gantt-now::before {
  content: '';
  position: absolute;
  top: 0;
  left: -4px;
  width: 10px;
  height: 10px;
  background: var(--error);
  border-radius: 50%;
}

/* Unscheduled tasks indicator */
.gantt-unscheduled {
  position: absolute;
  bottom: var(--space-4);
  left: var(--space-4);
  padding: var(--space-2) var(--space-3);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  color: var(--text-muted);
  z-index: 10;
}

/* Responsive */
@media (max-width: 640px) {
  .kanban-board {
    flex-direction: column;
    padding: var(--space-3);
  }

  .kanban-column {
    flex: none;
    min-width: 100%;
    max-width: 100%;
  }

  .task-panel {
    width: 100%;
  }

  .app-header,
  .quick-add-container {
    padding: var(--space-3);
  }

  /* Gantt mobile adjustments */
  .gantt-sidebar-header,
  .gantt-sidebar {
    flex: 0 0 100px;
  }

  .gantt-category-label {
    padding: var(--space-2);
    font-size: var(--text-xs);
  }

  .view-toggle {
    order: -1;
  }
}

/* ============================================
   Phase 8 Styles
   ============================================ */

/* Enhanced Task Card Header */
.task-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-2);
}

.task-card-header .task-title {
  flex: 1;
  margin-bottom: 0;
}

.task-indicators {
  display: flex;
  gap: var(--space-1);
  flex-shrink: 0;
}

.indicator {
  font-size: 12px;
  line-height: 1;
}

/* Pinned indicator styling */
.task-card.pinned {
  border-top: 2px solid var(--warning);
}

/* Snoozed task styling */
.task-card.snoozed {
  opacity: 0.7;
  background: linear-gradient(135deg, var(--bg-tertiary) 0%, rgba(107, 138, 253, 0.05) 100%);
}

/* Estimate badge */
.estimate-badge {
  background: var(--accent-muted);
  color: var(--accent);
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: 500;
}

/* Urgency text colors */
.overdue-text {
  color: var(--overdue) !important;
  font-weight: 500;
}

.today-text {
  color: var(--warning) !important;
  font-weight: 500;
}

/* ============================================
   Modal Overlay (shared)
   ============================================ */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 200;
  backdrop-filter: blur(2px);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4);
  border-bottom: 1px solid var(--border);
}

.modal-header h2,
.modal-header h3 {
  font-size: var(--text-lg);
  font-weight: 600;
}

.modal-body {
  padding: var(--space-4);
}

/* ============================================
   Search Modal (8.4)
   ============================================ */

.search-modal {
  position: fixed;
  top: 15%;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 560px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  z-index: 201;
  overflow: hidden;
}

.search-modal-content {
  display: flex;
  flex-direction: column;
}

.search-input-wrapper {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  border-bottom: 1px solid var(--border);
}

.search-icon {
  color: var(--text-muted);
  flex-shrink: 0;
}

#search-input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: var(--text-lg);
  padding: 0;
}

#search-input:focus {
  outline: none;
}

#search-input::placeholder {
  color: var(--text-muted);
}

.search-shortcut {
  font-size: var(--text-xs);
  color: var(--text-muted);
  background: var(--bg-tertiary);
  padding: 4px 8px;
  border-radius: 4px;
  border: 1px solid var(--border);
}

.search-results {
  max-height: 400px;
  overflow-y: auto;
}

.search-hint {
  padding: var(--space-6);
  text-align: center;
  color: var(--text-muted);
  font-size: var(--text-sm);
}

.search-result {
  padding: var(--space-3) var(--space-4);
  cursor: pointer;
  transition: background var(--transition-fast);
  border-bottom: 1px solid var(--border);
}

.search-result:last-child {
  border-bottom: none;
}

.search-result:hover {
  background: var(--bg-hover);
}

.search-result-title {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--space-1);
}

.search-result-meta {
  font-size: var(--text-xs);
  color: var(--text-muted);
}

/* ============================================
   Category Management Modal (8.5)
   ============================================ */

.category-modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  max-width: 500px;
  max-height: 80vh;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  z-index: 201;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.category-add-row {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.category-add-row input {
  flex: 1;
  padding: var(--space-2) var(--space-3);
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: var(--text-sm);
}

.category-add-row input:focus {
  outline: none;
  border-color: var(--accent);
}

.category-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  max-height: 300px;
  overflow-y: auto;
}

.category-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

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

.category-item.dragging {
  opacity: 0.5;
}

.category-item.drag-over {
  border-color: var(--accent);
  background: var(--accent-muted);
}

.category-drag-handle {
  cursor: grab;
  color: var(--text-muted);
  font-size: var(--text-sm);
  padding: 0 var(--space-1);
}

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

.category-color-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
}

.category-name-input {
  flex: 1;
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-primary);
  font-size: var(--text-sm);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
}

.category-name-input:hover {
  border-color: var(--border);
}

.category-name-input:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--bg-primary);
}

.category-color-select {
  padding: var(--space-1) var(--space-2);
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: var(--text-xs);
  cursor: pointer;
}

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

.category-delete {
  padding: var(--space-1);
  font-size: 18px;
  color: var(--text-muted);
}

.category-delete:hover {
  color: var(--error);
}

.category-hint {
  margin-top: var(--space-3);
  font-size: var(--text-xs);
  color: var(--text-muted);
  text-align: center;
}

/* ============================================
   Snooze Modal (8.7)
   ============================================ */

.snooze-modal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100%;
  max-width: 320px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  z-index: 202;
}

.snooze-modal .modal-body label {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-4);
}

.snooze-modal .modal-body input[type="date"] {
  padding: var(--space-2) var(--space-3);
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: var(--text-base);
}

.snooze-modal .modal-body input[type="date"]:focus {
  outline: none;
  border-color: var(--accent);
}

.snooze-actions {
  display: flex;
  gap: var(--space-2);
  justify-content: flex-end;
}

.snooze-actions button {
  padding: var(--space-2) var(--space-3);
}

#clear-snooze {
  margin-right: auto;
  color: var(--text-muted);
}

#clear-snooze:hover {
  color: var(--error);
}

/* Snooze indicator on cards */
.snooze-indicator {
  opacity: 0.8;
}

/* ============================================
   Phase 8.3: Dependency Management UI
   ============================================ */

.dependencies-container {
  margin-top: var(--space-3);
}

.dependencies-section {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.dep-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.dep-group label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.dep-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.dep-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-2);
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
}

.dep-status {
  font-size: var(--text-xs);
  width: 16px;
  text-align: center;
}

.dep-status.completed {
  color: var(--success);
}

.dep-status.pending {
  color: var(--text-muted);
}

.dep-title {
  flex: 1;
  color: var(--text-primary);
}

.dep-remove {
  padding: 2px;
  font-size: 16px;
  color: var(--text-muted);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.dep-item:hover .dep-remove {
  opacity: 1;
}

.dep-remove:hover {
  color: var(--error);
}

.dep-empty, .dep-error {
  font-size: var(--text-sm);
  color: var(--text-muted);
  font-style: italic;
}

.dep-error {
  color: var(--error);
}

.dep-add {
  margin-top: var(--space-1);
}

.dep-select {
  width: 100%;
  padding: var(--space-1) var(--space-2);
  background: var(--bg-tertiary);
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: var(--text-sm);
  cursor: pointer;
}

.dep-select:hover {
  border-color: var(--accent);
}

.dep-select:focus {
  outline: none;
  border-style: solid;
  border-color: var(--accent);
}

/* ============================================
   Phase 8.6: Recurring Task Indicator
   ============================================ */

.recurring-indicator {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-2);
  background: var(--accent-muted);
  color: var(--accent);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  font-weight: 500;
}

.recurring-indicator::before {
  content: "🔄";
  font-size: 12px;
}

/* ============================================
   Phase 8.8: Toast Notifications
   ============================================ */

.toast {
  position: fixed;
  bottom: var(--space-6);
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  padding: var(--space-3) var(--space-4);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  color: var(--text-primary);
  font-size: var(--text-sm);
  opacity: 0;
  transition: all 300ms ease;
  z-index: 1000;
}

.toast.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.toast-error {
  border-color: var(--error);
  background: rgba(248, 113, 113, 0.1);
}

.toast-success {
  border-color: var(--success);
  background: rgba(74, 222, 128, 0.1);
}

/* ============================================
   Phase 9: Offline Indicator
   ============================================ */

.offline-indicator {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2);
  color: var(--warning);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* ============================================
   Phase 9: Additional Mobile Responsiveness
   ============================================ */

@media (max-width: 640px) {
  .header-actions {
    gap: var(--space-1);
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .header-actions .btn-secondary,
  .header-actions .btn-ghost {
    padding: var(--space-2);
  }

  #undo-btn,
  #theme-toggle-btn {
    order: 10;
  }

  #logout-btn {
    order: 20;
    margin-left: auto;
  }

  .quick-add-container {
    padding: var(--space-2) var(--space-3);
  }

  #quick-add {
    font-size: var(--text-sm);
    padding: var(--space-2) var(--space-3);
  }

  .task-panel {
    width: 100%;
  }

  .panel-actions {
    flex-wrap: wrap;
  }

  .panel-actions button {
    flex: 1 1 45%;
    min-width: 0;
  }

  .dependencies-container {
    font-size: var(--text-sm);
  }

  /* Touch-friendly tap targets */
  .task-card {
    min-height: 60px;
    padding: var(--space-3);
  }

  .view-toggle {
    order: -1;
  }

  /* Larger touch targets */
  button, .view-btn, .dep-select {
    min-height: 44px;
  }

  /* Bottom safe area for mobile */
  .toast {
    bottom: calc(var(--space-6) + env(safe-area-inset-bottom, 0));
  }
}

/* Touch device adjustments */
@media (hover: none) {
  .task-card:hover {
    transform: none;
    box-shadow: none;
  }

  .dep-remove {
    opacity: 1;
  }
}

/* ============================================
   Keyboard Shortcut Hints
   ============================================ */

.shortcut-hint {
  font-size: var(--text-xs);
  color: var(--text-muted);
  background: var(--bg-tertiary);
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid var(--border);
  margin-left: var(--space-2);
}

/* ============================================
   Responsive adjustments for modals
   ============================================ */

@media (max-width: 640px) {
  .search-modal {
    top: var(--space-4);
    transform: translateX(-50%);
    max-width: calc(100% - var(--space-8));
  }

  .category-modal,
  .snooze-modal {
    max-width: calc(100% - var(--space-8));
  }

  .panel-actions {
    flex-wrap: wrap;
  }

  .panel-actions button {
    flex: 1 1 45%;
  }
}