/* CSS Design System for AuraHealth Symptom Dashboard */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Inter:wght@400;500;600;700&display=swap');

:root {
  /* Color Palette - Dark Theme Default */
  --bg-primary: #0b0f19;
  --bg-secondary: #111827;
  --bg-card: rgba(17, 24, 39, 0.75);
  --bg-hover: rgba(31, 41, 55, 0.8);
  --bg-glass: rgba(255, 255, 255, 0.04);
  
  --text-primary: #f9fafb;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  
  --border-color: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(99, 102, 241, 0.3);
  
  --accent-primary: #6366f1;
  --accent-glow: rgba(99, 102, 241, 0.4);
  --accent-secondary: #8b5cf6;
  
  /* Priority Specific Gradients */
  --prio-p1-gradient: linear-gradient(135deg, #b91c1c 0%, #ef4444 100%);
  --prio-p2-gradient: linear-gradient(135deg, #c2410c 0%, #f97316 100%);
  --prio-p3-gradient: linear-gradient(135deg, #b45309 0%, #f59e0b 100%);
  --prio-p4-gradient: linear-gradient(135deg, #1d4ed8 0%, #3b82f6 100%);
  --prio-p5-gradient: linear-gradient(135deg, #047857 0%, #10b981 100%);
  
  /* Severity Colors */
  --sev-mild: #34d399;
  --sev-moderate: #fbbf24;
  --sev-severe: #f87171;
  
  /* Layout Dimensions */
  --sidebar-width: 280px;
  --rail-width: 200px;
  --group-col-width: 120px;
  --actions-width: 310px;
  --prio-col-width: 70px;
  --header-height: 72px;
  --minimap-height: 80px;
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.35);
  --shadow-glow: 0 0 25px rgba(99, 102, 241, 0.25);
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Theme Variables */
[data-theme="light"] {
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-hover: rgba(241, 245, 249, 0.9);
  --bg-glass: rgba(0, 0, 0, 0.03);
  
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  
  --border-color: rgba(0, 0, 0, 0.08);
  --border-glow: rgba(99, 102, 241, 0.2);
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.08);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: 'Outfit', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--bg-hover);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-primary);
}

/* App Container */
.app-container {
  display: flex;
  flex-direction: column;
  height: 100vh;
  width: 100vw;
  overflow: hidden;
  min-width: 0;
}

/* Header Navbar */
.app-header {
  height: var(--header-height);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  z-index: 100;
  backdrop-filter: blur(12px);
  flex-shrink: 0;
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 20px;
  box-shadow: var(--shadow-glow);
}

.brand-title {
  font-size: 1.35rem;
  font-weight: 700;
  background: linear-gradient(135deg, #ffffff 30%, var(--accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.02em;
}

.brand-subtitle {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Header Navigation Tabs */
.nav-tabs {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-primary);
  padding: 4px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.nav-tab {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  background: transparent;
  color: var(--text-secondary);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.nav-tab:hover {
  color: var(--text-primary);
  background: var(--bg-hover);
}

.nav-tab.active {
  background: var(--accent-primary);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.35);
}

.tab-icon {
  font-size: 1rem;
}

/* Header Controls & Buttons */
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
}

.btn-glass {
  background: var(--bg-glass);
  color: var(--text-primary);
  border-color: var(--border-color);
}
.btn-glass:hover {
  background: var(--bg-hover);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-icon-only {
  padding: 8px;
  border-radius: var(--radius-sm);
}

.scope-toggle-btn.active-scope {
  background: rgba(99, 102, 241, 0.2);
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

/* Unified Control Toolbar */
.toolbar-section {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 10px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  flex-shrink: 0;
  min-width: 0;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.filter-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.search-box {
  position: relative;
  min-width: 200px;
  flex: 1;
  max-width: 300px;
}

.search-box input {
  width: 100%;
  padding: 8px 14px 8px 36px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.875rem;
  outline: none;
  transition: border-color var(--transition-fast);
}

.search-box input:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 2px var(--accent-glow);
}

.search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 14px;
  pointer-events: none;
}

.group-filter-chips {
  display: flex;
  align-items: center;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 2px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 600;
  border: 1px solid var(--border-color);
  background: var(--bg-glass);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.chip:hover {
  border-color: rgba(255, 255, 255, 0.3);
  color: var(--text-primary);
}

.chip.active {
  background: var(--bg-hover);
  border-color: var(--chip-color, var(--accent-primary));
  color: var(--text-primary);
}

.chip-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--chip-color, var(--accent-primary));
}

/* Main Display Container */
.main-content {
  flex: 1;
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.view-panel {
  display: none;
  flex: 1;
  width: 100%;
  height: 100%;
  overflow: hidden;
  position: absolute;
  inset: 0;
  min-width: 0;
}

.view-panel.active {
  display: flex;
  flex-direction: column;
}

/* ==========================================================================
   TAB 1: MAIN DASHBOARD (VERTICAL TIMELINE RAIL + GROUPED HORIZONTAL CARDS)
   ========================================================================== */
.active-stats-banner {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 10px 24px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  flex-shrink: 0;
}

.active-stat-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 8px 12px;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: transform var(--transition-fast);
}

.active-stat-card:hover {
  transform: translateY(-2px);
}

.active-stat-card.urgent-stat {
  border-color: rgba(239, 68, 68, 0.4);
  background: rgba(239, 68, 68, 0.06);
}

.stat-icon {
  font-size: 1.3rem;
}

.stat-num {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.1;
}

.stat-title {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
}

.dashboard-split-workspace {
  flex: 1;
  display: flex;
  overflow: hidden;
  width: 100%;
  min-width: 0;
}

/* Left Sidebar - Vertical Timeline Rail */
.vertical-timeline-rail {
  width: var(--rail-width);
  min-width: var(--rail-width);
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  padding: 16px 12px;
  overflow-y: auto;
  box-shadow: 4px 0 16px rgba(0, 0, 0, 0.15);
  z-index: 10;
  flex-shrink: 0;
}

.v-timeline-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 12px;
}

.v-timeline-tree {
  display: flex;
  flex-direction: column;
  position: relative;
  padding-left: 14px;
}

.v-timeline-tree::before {
  content: '';
  position: absolute;
  left: 6px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--border-color);
}

.v-timeline-node {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-bottom: 4px;
}

.v-timeline-node:hover {
  background: var(--bg-hover);
}

.v-timeline-node.active-node {
  background: rgba(99, 102, 241, 0.12);
  border-left: 3px solid var(--accent-primary);
}

.v-node-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--text-muted);
  border: 2px solid var(--bg-secondary);
  position: relative;
  z-index: 2;
  margin-left: -18px;
  transition: all var(--transition-fast);
}

.v-node-dot.dot-active, .v-timeline-node.active-node .v-node-dot {
  background: var(--accent-primary);
  box-shadow: 0 0 10px var(--accent-primary);
}

.v-node-year {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
}

.v-node-count {
  font-size: 0.7rem;
  color: var(--text-muted);
  display: block;
}

/* Right Main Canvas - Grouped Categories Viewport */
.grouped-categories-viewport {
  flex: 1;
  padding: 20px 24px;
  overflow-y: auto;
  background: var(--bg-primary);
  display: flex;
  flex-direction: column;
  gap: 24px;
  min-width: 0;
  width: calc(100% - var(--rail-width));
}

.grouped-categories-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
  width: 100%;
  min-width: 0;
}

.category-group-block {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  box-shadow: var(--shadow-sm);
  min-width: 0;
  width: 100%;
}

.category-group-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-left: 12px;
  border-left: 4px solid var(--accent-primary);
}

.category-header-title-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}

.category-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.category-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.category-header-badges {
  display: flex;
  align-items: center;
  gap: 8px;
}

.badge-active-count {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 12px;
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.4);
}

.badge-total-count {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 12px;
  background: var(--bg-glass);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

/* Horizontal Cards Scroll Row */
.horizontal-cards-row {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding-bottom: 8px;
  scroll-behavior: smooth;
  align-items: flex-start;
  min-width: 0;
  width: 100%;
}

.horizontal-symptom-card {
  flex: 0 0 320px;
  width: 320px;
  max-width: 320px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  box-sizing: border-border-box;
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.horizontal-symptom-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-glow);
  box-shadow: var(--shadow-md);
}

.horizontal-symptom-card.card-ongoing {
  border-color: rgba(99, 102, 241, 0.35);
  background: linear-gradient(180deg, rgba(99, 102, 241, 0.04) 0%, var(--bg-primary) 100%);
}

.horizontal-symptom-card.card-highlight {
  animation: pulseCard 1.5s ease-in-out infinite;
  border-color: #ef4444 !important;
}

@keyframes pulseCard {
  0% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4); }
  50% { box-shadow: 0 0 20px 6px rgba(239, 68, 68, 0.6); }
  100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4); }
}

.card-header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-status-pill {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 12px;
}

.status-active {
  background: rgba(239, 68, 68, 0.15);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.4);
}

.status-history {
  background: var(--bg-glass);
  color: var(--text-muted);
  border: 1px solid var(--border-color);
}

.card-symptom-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.25;
}

.card-date-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.card-duration-badge {
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--bg-glass);
  padding: 1px 6px;
  border-radius: 4px;
}

/* Card Dropdown Toggle Button */
.card-dropdown-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 6px 10px;
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  margin-top: 4px;
  transition: all var(--transition-fast);
}

.card-dropdown-toggle:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.2);
}

.horizontal-symptom-card.expanded .card-dropdown-toggle {
  background: rgba(99, 102, 241, 0.15);
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

/* Collapsible Body */
.card-collapsible-body {
  display: none;
  flex-direction: column;
  gap: 10px;
  margin-top: 4px;
  padding-top: 8px;
  border-top: 1px dashed var(--border-color);
  animation: fadeInDown 0.2s ease-out;
}

.horizontal-symptom-card.expanded .card-collapsible-body {
  display: flex;
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

.card-action-box {
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  border-left: 3px solid var(--accent-primary);
}

.card-action-box.action-p1 { border-left-color: #ef4444; background: rgba(239, 68, 68, 0.08); }
.card-action-box.action-p2 { border-left-color: #f97316; background: rgba(249, 115, 22, 0.08); }
.card-action-box.action-p3 { border-left-color: #f59e0b; background: rgba(245, 158, 11, 0.08); }
.card-action-box.action-p4 { border-left-color: #3b82f6; background: rgba(59, 130, 246, 0.08); }
.card-action-box.action-p5 { border-left-color: #10b981; background: rgba(16, 185, 129, 0.08); }

.action-header {
  margin-bottom: 4px;
}

.action-text {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.4;
  white-space: normal;
}

.card-notes-box {
  background: var(--bg-glass);
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.notes-label {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  display: block;
  margin-bottom: 2px;
}

.notes-text {
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.35;
  white-space: normal;
}

.card-tags-list {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

.card-tag {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--accent-primary);
  background: var(--bg-glass);
  padding: 1px 6px;
  border-radius: 4px;
  border: 1px solid var(--border-color);
}

/* ==========================================================================
   TAB 2: ACTION PLAN VIEW
   ========================================================================== */
.actions-plan-viewport {
  flex: 1;
  padding: 24px 28px;
  overflow-y: auto;
  background: var(--bg-primary);
}

.action-plan-container {
  display: flex;
  flex-direction: column;
  gap: 24px;
  max-width: 1000px;
  margin: 0 auto;
}

.prio-group-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.prio-group-header {
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-hover);
  border-bottom: 1px solid var(--border-color);
}

.prio-group-title-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}

.prio-group-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}

.prio-group-badge {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.25);
  color: #ffffff;
}

.prio-group-desc {
  padding: 10px 20px;
  font-size: 0.82rem;
  color: var(--text-muted);
  background: var(--bg-glass);
  border-bottom: 1px solid var(--border-color);
}

.action-items-list {
  display: flex;
  flex-direction: column;
}

.action-plan-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  gap: 20px;
  transition: background var(--transition-fast);
}

.action-plan-item:last-child {
  border-bottom: none;
}

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

.action-plan-item.is-active-symptom {
  background: rgba(99, 102, 241, 0.05);
}

.action-plan-left {
  flex: 0 0 280px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.symptom-tag-pill {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  border-left: 3px solid;
  padding-left: 6px;
  letter-spacing: 0.03em;
}

.action-plan-symptom {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.ongoing-badge {
  font-size: 0.72rem;
  font-weight: 700;
  color: #ef4444;
}

.history-badge {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.action-plan-right {
  flex: 1;
}

.action-plan-text {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.45;
}

/* ==========================================================================
   TAB 3: TIMELINE INTERACTIVE GRID
   ========================================================================== */
.timeline-sub-toolbar {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 8px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.preset-pills {
  display: flex;
  gap: 4px;
  background: var(--bg-primary);
  padding: 4px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.pill-btn {
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  background: transparent;
  color: var(--text-secondary);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.pill-btn.active {
  background: var(--accent-primary);
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}

.zoom-slider-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 600;
}

.zoom-slider-wrap input[type="range"] {
  width: 120px;
  accent-color: var(--accent-primary);
  cursor: pointer;
}

.timeline-workspace {
  flex: 1;
  display: flex;
  position: relative;
  overflow-x: auto;
  overflow-y: hidden;
  background: var(--bg-primary);
  width: 100%;
}

.timeline-labels-column {
  flex: 0 0 var(--sidebar-width);
  width: var(--sidebar-width);
  min-width: var(--sidebar-width);
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  z-index: 20;
}

.timeline-actions-column {
  flex: 0 0 var(--actions-width);
  width: var(--actions-width);
  min-width: var(--actions-width);
  background: var(--bg-secondary);
  border-left: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  z-index: 20;
}

.sidebar-header-two-col {
  height: 48px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  background: var(--bg-secondary);
}

.col-header-group {
  flex: 0 0 var(--group-col-width);
  width: var(--group-col-width);
  min-width: var(--group-col-width);
  padding: 0 10px;
  border-right: 1px solid var(--border-color);
  display: flex;
  align-items: center;
}

.col-header-symptom {
  flex: 1;
  padding: 0 12px;
  display: flex;
  align-items: center;
}

.col-header-priority {
  flex: 0 0 var(--prio-col-width);
  width: var(--prio-col-width);
  min-width: var(--prio-col-width);
  padding: 0 6px;
  border-right: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
}

.col-header-action {
  flex: 1;
  padding: 0 10px 0 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.labels-scroll-container, .actions-scroll-container {
  flex: 1;
  overflow-y: hidden;
}

.group-block-wrapper {
  display: flex;
  border-bottom: 2px solid var(--border-color);
}

.group-merged-cell {
  flex: 0 0 var(--group-col-width);
  width: var(--group-col-width);
  min-width: var(--group-col-width);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 8px 6px;
  color: #ffffff;
  text-align: center;
  position: relative;
  box-shadow: inset -3px 0 10px rgba(0, 0, 0, 0.25);
  transition: filter var(--transition-fast);
}

.group-merged-title {
  font-size: 0.8rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 4px;
}

.group-merged-badge {
  font-size: 0.65rem;
  padding: 1px 6px;
  border-radius: 10px;
  background: rgba(0, 0, 0, 0.35);
  color: #f3f4f6;
  font-weight: 600;
}

.group-symptoms-column {
  flex: 1;
  min-width: 140px;
  display: flex;
  flex-direction: column;
}

.symptom-label-row {
  display: flex;
  align-items: center;
  padding: 0 12px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  border-bottom: 1px dashed var(--border-color);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.symptom-color-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
  margin-right: 8px;
}

.symptom-name-text {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.action-item-wrapper {
  display: flex;
  border-bottom: 1px dashed var(--border-color);
  background: var(--bg-secondary);
  align-items: stretch;
}

.action-prio-cell {
  flex: 0 0 var(--prio-col-width);
  width: var(--prio-col-width);
  min-width: var(--prio-col-width);
  border-right: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4px 4px;
}

.prio-badge {
  padding: 3px 7px;
  border-radius: 12px;
  font-size: 0.7rem;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: 0.04em;
}

.prio-p1 { background: var(--prio-p1-gradient); box-shadow: 0 0 10px rgba(239, 68, 68, 0.5); }
.prio-p2 { background: var(--prio-p2-gradient); }
.prio-p3 { background: var(--prio-p3-gradient); }
.prio-p4 { background: var(--prio-p4-gradient); }
.prio-p5 { background: var(--prio-p5-gradient); }

.action-text-cell {
  flex: 1;
  padding: 6px 12px;
  display: flex;
  align-items: center;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-primary);
  white-space: normal;
  word-break: break-word;
  line-height: 1.3;
  overflow-y: auto;
}

.timeline-viewport {
  flex: 1 1 auto;
  min-width: 400px;
  position: relative;
  overflow-x: auto;
  overflow-y: auto;
  cursor: grab;
  user-select: none;
}

.timeline-viewport:active {
  cursor: grabbing;
}

.timeline-content-inner {
  position: relative;
  min-height: 100%;
}

.timeline-scale-header {
  height: 48px;
  position: sticky;
  top: 0;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  z-index: 15;
}

.scale-tick {
  position: absolute;
  top: 0;
  bottom: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-bottom: 6px;
  padding-left: 6px;
  border-left: 1px solid var(--border-color);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.scale-tick.major {
  border-left-color: rgba(255, 255, 255, 0.2);
  color: var(--text-primary);
}

.symptom-track-row {
  border-bottom: 1px dashed var(--border-color);
  position: relative;
}

.symptom-block {
  position: absolute;
  top: 8px;
  height: 28px;
  border-radius: 6px;
  background: var(--block-bg, var(--accent-primary));
  box-shadow: 0 2px 10px var(--block-glow, var(--accent-glow));
  cursor: pointer;
  display: flex;
  align-items: center;
  padding: 0 10px;
  color: #ffffff;
  font-size: 0.75rem;
  font-weight: 600;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  border: 1px solid rgba(255, 255, 255, 0.25);
  z-index: 5;
}

.symptom-block.ongoing {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
  background: linear-gradient(90deg, var(--block-bg), rgba(239, 68, 68, 0.9));
  animation: pulseOngoing 2s infinite alternate;
}

.today-line {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 2px;
  background: #ef4444;
  box-shadow: 0 0 10px #ef4444;
  z-index: 12;
}

.today-badge {
  position: absolute;
  top: 4px;
  transform: translateX(-50%);
  background: #ef4444;
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 4px;
}

.symptom-tooltip {
  position: fixed;
  z-index: 1000;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  pointer-events: none;
  max-width: 340px;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.symptom-tooltip.visible {
  opacity: 1;
  transform: translateY(0);
}

.tooltip-title {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--text-primary);
}

.sev-badge {
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
}
.sev-mild { background: rgba(52, 211, 153, 0.2); color: var(--sev-mild); border: 1px solid var(--sev-mild); }
.sev-moderate { background: rgba(251, 191, 36, 0.2); color: var(--sev-moderate); border: 1px solid var(--sev-moderate); }
.sev-severe { background: rgba(248, 113, 113, 0.2); color: var(--sev-severe); border: 1px solid var(--sev-severe); }

.minimap-bar {
  height: var(--minimap-height);
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 6px 16px;
  z-index: 30;
}

.minimap-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-bottom: 4px;
  font-weight: 600;
}

.minimap-track {
  height: 42px;
  background: var(--bg-primary);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.minimap-viewport-box {
  position: absolute;
  top: 0;
  bottom: 0;
  background: rgba(99, 102, 241, 0.2);
  border: 2px solid var(--accent-primary);
  border-radius: 4px;
  cursor: grab;
}

/* Empty State */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  text-align: center;
  color: var(--text-muted);
}

.empty-icon {
  font-size: 3rem;
  margin-bottom: 12px;
}

.empty-state h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

/* Modals & Overlays */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 780px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transform: scale(0.95);
  transition: transform var(--transition-normal);
}

.modal-overlay.active .modal-card {
  transform: scale(1);
}

.modal-header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 1.15rem;
  font-weight: 700;
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 20px;
  cursor: pointer;
}

.modal-body {
  padding: 24px;
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  background: var(--bg-glass);
}

.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text-secondary);
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.9rem;
  outline: none;
}

.form-row {
  display: flex;
  gap: 16px;
}
.form-row .form-group {
  flex: 1;
}

.markdown-textarea {
  font-family: 'Fira Code', 'Courier New', monospace;
  font-size: 0.85rem;
  line-height: 1.6;
  min-height: 320px;
  resize: vertical;
}

.toast-container {
  position: fixed;
  bottom: 100px;
  right: 24px;
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  background: var(--bg-secondary);
  border: 1px solid var(--accent-primary);
  padding: 12px 18px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  color: var(--text-primary);
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: 10px;
  animation: slideInToast 0.3s ease-out;
}

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

@media (max-width: 992px) {
  :root {
    --rail-width: 160px;
  }
  .grouped-categories-viewport {
    width: calc(100% - 160px);
  }
  .horizontal-symptom-card {
    flex: 0 0 290px;
    width: 290px;
    max-width: 290px;
  }
}