styles.css

/* ==========================================================================
   CHAFFEY COLLEGE SCHEDULE GRID & ROOM CONFLICT ANALYZER - STYLESHEET
   Brand Colors: Chaffey Red (#990000), White, Slate/Gray, Black, Blue Accent (#005596)
   Light & Dark Mode using CSS Custom Properties
   ========================================================================== */

:root {
  /* Chaffey College Core Palette */
  --chaffey-red: #990000;
  --chaffey-red-hover: #7a0000;
  --chaffey-red-glow: rgba(153, 0, 0, 0.25);
  --chaffey-red-light: #fef2f2;
  --chaffey-blue: #005596;
  --chaffey-blue-hover: #004070;
  --chaffey-blue-light: #eff6ff;

  /* Conflict Warning Palette */
  --conflict-color: #dc2626;
  --conflict-bg: #fef2f2;
  --conflict-border: #ef4444;
  --conflict-glow: rgba(239, 68, 68, 0.45);

  /* Stacked Classes Palette (Same instructor & room) */
  --stacked-color: #6366f1;
  --stacked-bg: #eef2ff;
  --stacked-border: #818cf8;
  --stacked-text: #3730a3;
  --stacked-glow: rgba(99, 102, 241, 0.35);

  /* Unique Accessible Colors for Each GE Area */
  --ge-1a: #0f766e; /* English Composition (Deep Teal) */
  --ge-1b: #0284c7; /* Critical Thinking (Ocean Cyan) */
  --ge-1c: #2563eb; /* Oral Communication (Royal Blue) */
  --ge-2:  #4f46e5; /* Mathematical Concepts (Indigo Violet) */
  --ge-3a: #7e22ce; /* Arts (Vibrant Purple) */
  --ge-3b: #a21caf; /* Humanities (Fuchsia Magenta) */
  --ge-4:  #b45309; /* Social Sciences (Warm Amber) */
  --ge-5a: #c2410c; /* Physical Sciences (Deep Coral) */
  --ge-5b: #15803d; /* Biological Sciences (Emerald Jade) */
  --ge-5c: #be123c; /* Laboratory Activity (Rose Crimson) */
  --ge-6:  #4338ca; /* Languages (Deep Iris) */
  --ge-us1: #047857; /* American Institutions US-1 (Emerald Green) */
  --ge-us2: #0d9488; /* American Institutions US-2 & US-3 (Teal) */
  --ge-e:  #0891b2; /* Lifelong Learning (Cyan) */
  --ge-f:  #9333ea; /* Ethnic Studies (Purple) */
  --ge-other: #475569; /* Other General Ed (Slate) */
  --ge-area-1: var(--ge-1a);
  --ge-area-2: var(--ge-2);
  --ge-area-3: var(--ge-3a);
  --ge-area-4: var(--ge-4);
  --ge-area-5: var(--ge-5a);
  --ge-area-other: var(--ge-other);

  /* Instruction Types Accent Colors */
  --type-lec-bg: #fff1f2;
  --type-lec-border: #f43f5e;
  --type-lec-text: #9f1239;
  
  --type-lab-bg: #eff6ff;
  --type-lab-border: #3b82f6;
  --type-lab-text: #1e40af;

  --type-combo-bg: #f0fdf4;
  --type-combo-border: #22c55e;
  --type-combo-text: #166534;

  /* Light Theme Surface & Text */
  --bg-page: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #ffffff;
  --bg-surface-subtle: #f1f5f9;
  --bg-surface-active: #e2e8f0;

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --text-inverse: #ffffff;

  --border-color: #e2e8f0;
  --border-subtle: #f1f5f9;
  --border-strong: #cbd5e1;

  --grid-line-hour: #cbd5e1;
  --grid-line-half: #e2e8f0;
  --grid-column-divider: #e2e8f0;
  --grid-header-bg: #ffffff;
  --grid-time-bg: #ffffff;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-popover: 0 15px 30px -5px rgba(15, 23, 42, 0.2), 0 0 1px 1px rgba(15, 23, 42, 0.05);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', Consolas, monospace;
}

/* ==========================================================================
   DARK MODE OVERRIDES
   ========================================================================== */
[data-theme="dark"] {
  --chaffey-red: #b91c1c;
  --chaffey-red-hover: #dc2626;
  --chaffey-red-glow: rgba(185, 28, 28, 0.35);
  --chaffey-red-light: #2b1114;
  --chaffey-blue: #38bdf8;
  --chaffey-blue-hover: #7dd3fc;
  --chaffey-blue-light: #082f49;

  --conflict-color: #f87171;
  --conflict-bg: #361417;
  --conflict-border: #ef4444;
  --conflict-glow: rgba(239, 68, 68, 0.55);

  --stacked-color: #a5b4fc;
  --stacked-bg: #1e1b4b;
  --stacked-border: #6366f1;
  --stacked-text: #e0e7ff;
  --stacked-glow: rgba(99, 102, 241, 0.5);

  --ge-1a: #0d9488;
  --ge-1b: #0284c7;
  --ge-1c: #3b82f6;
  --ge-2:  #6366f1;
  --ge-3a: #9333ea;
  --ge-3b: #c026d3;
  --ge-4:  #d97706;
  --ge-5a: #ea580c;
  --ge-5b: #16a34a;
  --ge-5c: #e11d48;
  --ge-6:  #4f46e5;
  --ge-us1: #059669;
  --ge-e:  #0891b2;
  --ge-f:  #a855f7;
  --ge-other: #64748b;
  --ge-area-1: var(--ge-1a);
  --ge-area-2: var(--ge-2);
  --ge-area-3: var(--ge-3a);
  --ge-area-4: var(--ge-4);
  --ge-area-5: var(--ge-5a);
  --ge-area-other: var(--ge-other);

  --type-lec-bg: #2d1217;
  --type-lec-border: #f43f5e;
  --type-lec-text: #fecdd3;

  --type-lab-bg: #10243e;
  --type-lab-border: #38bdf8;
  --type-lab-text: #bae6fd;

  --type-combo-bg: #0e2a1e;
  --type-combo-border: #4ade80;
  --type-combo-text: #bbf7d0;

  --bg-page: #090d16;
  --bg-surface: #111827;
  --bg-surface-elevated: #1e293b;
  --bg-surface-subtle: #1f293d;
  --bg-surface-active: #334155;

  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --text-inverse: #090d16;

  --border-color: #273549;
  --border-subtle: #1e293b;
  --border-strong: #475569;

  --grid-line-hour: #334155;
  --grid-line-half: #1e293b;
  --grid-column-divider: #273549;
  --grid-header-bg: #111827;
  --grid-time-bg: #111827;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.6);
  --shadow-popover: 0 20px 35px -5px rgba(0, 0, 0, 0.8), 0 0 1px 1px rgba(255, 255, 255, 0.1);
}

/* ==========================================================================
   BASE & RESET
   ========================================================================== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-page);
  color: var(--text-primary);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow: hidden;
  height: 100vh;
}

.app-container {
  display: flex;
  flex-direction: column;
  height: 100vh;
  width: 100vw;
  overflow: hidden;
}

/* ==========================================================================
   HEADER & NAVBAR
   ========================================================================== */
.app-header {
  height: 64px;
  background-color: var(--bg-surface);
  border-bottom: 2px solid var(--chaffey-red);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  flex-shrink: 0;
  z-index: 50;
  box-shadow: var(--shadow-sm);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

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

.brand-crest {
  width: 38px;
  height: 38px;
  background-color: var(--chaffey-red);
  color: #ffffff;
  font-weight: 800;
  font-size: 17px;
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  box-shadow: 0 2px 6px var(--chaffey-red-glow);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.college-name {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1.5px;
  color: var(--chaffey-red);
  text-transform: uppercase;
}

.app-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  white-space: nowrap;
}

/* Metric Pills */
.header-metrics {
  display: flex;
  align-items: center;
  gap: 10px;
}

.metric-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-surface-subtle);
  border: 1px solid var(--border-color);
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
}

.metric-label {
  color: var(--text-muted);
}

.metric-value {
  color: var(--text-primary);
  font-weight: 700;
  font-family: var(--font-mono);
}

.metric-pill#metric-conflicts-pill {
  transition: all 0.2s ease;
}

.metric-pill#metric-conflicts-pill.has-conflicts {
  background: var(--conflict-bg);
  border-color: var(--conflict-border);
  color: var(--conflict-color);
}

.metric-pill#metric-conflicts-pill.has-conflicts .metric-value {
  color: var(--conflict-color);
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Button Component Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 7px 14px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.15s ease-in-out;
  user-select: none;
  font-family: var(--font-sans);
}

.btn-chaffey {
  background-color: var(--chaffey-red);
  color: #ffffff;
  border-color: var(--chaffey-red);
}

.btn-chaffey:hover {
  background-color: var(--chaffey-red-hover);
  border-color: var(--chaffey-red-hover);
  box-shadow: 0 2px 8px var(--chaffey-red-glow);
}

/* Step 1 High-Visibility Upload CTA Button */
.btn-upload-cta {
  background: linear-gradient(135deg, var(--chaffey-red) 0%, #7f0000 100%);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.3);
  font-weight: 700;
  padding: 8px 16px;
  border-radius: 8px;
  box-shadow: 0 3px 10px var(--chaffey-red-glow);
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  animation: uploadPulse 3s infinite;
}

.btn-upload-cta:hover {
  background: linear-gradient(135deg, var(--chaffey-red-hover) 0%, var(--chaffey-red) 100%);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px var(--chaffey-red-glow), 0 0 0 2px rgba(220, 38, 38, 0.4);
  color: #ffffff;
}

.btn-upload-cta:active {
  transform: translateY(0);
}

.upload-step-badge {
  background: #ffffff;
  color: var(--chaffey-red);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.6px;
  padding: 2px 6px;
  border-radius: 4px;
  text-transform: uppercase;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
}

[data-theme="dark"] .upload-step-badge {
  background: #ffffff;
  color: #b91c1c;
}

@keyframes uploadPulse {
  0%, 100% {
    box-shadow: 0 3px 10px var(--chaffey-red-glow), 0 0 0 0 rgba(153, 0, 0, 0.4);
  }
  50% {
    box-shadow: 0 4px 14px var(--chaffey-red-glow), 0 0 0 4px rgba(153, 0, 0, 0);
  }
}

.btn-outline {
  background-color: var(--bg-surface);
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.btn-outline:hover {
  background-color: var(--bg-surface-subtle);
  border-color: var(--chaffey-red);
  color: var(--chaffey-red);
}

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

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

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: 8px;
  background-color: var(--bg-surface-subtle);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
}

.btn-icon:hover {
  color: var(--text-primary);
  border-color: var(--border-strong);
  background-color: var(--bg-surface-active);
}

.btn-sm {
  padding: 4px 10px;
  font-size: 12px;
}

.btn-outline-danger {
  background-color: transparent;
  color: var(--conflict-color);
  border-color: var(--conflict-border);
}

.btn-outline-danger:hover {
  background-color: var(--conflict-bg);
}

.btn-text {
  background: none;
  border: none;
  color: var(--chaffey-blue);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 4px;
}

.btn-text:hover {
  text-decoration: underline;
}

/* Dropdown Menu */
.dropdown-container {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  width: 190px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: var(--shadow-lg);
  padding: 5px;
  display: none;
  flex-direction: column;
  z-index: 100;
}

.dropdown-menu.show {
  display: flex;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: 5px;
  border: none;
  background: none;
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  transition: background-color 0.12s;
  width: 100%;
}

.dropdown-item:hover {
  background-color: var(--bg-surface-subtle);
  color: var(--chaffey-red);
}

/* ==========================================================================
   WORKSPACE LAYOUT (SIDEBAR + MAIN GRID)
   ========================================================================== */
.app-workspace {
  display: flex;
  flex: 1;
  height: calc(100vh - 64px);
  overflow: hidden;
  position: relative;
}

/* Sidebar */
.sidebar {
  width: 320px;
  background-color: var(--bg-surface);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  overflow-y: auto;
  overflow-x: hidden;
  transition: width 0.25s ease, transform 0.25s ease;
  z-index: 40;
}

.sidebar.collapsed {
  transform: translateX(-100%);
  width: 0;
  border-right: none;
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 18px 12px;
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  background-color: var(--bg-surface);
  z-index: 10;
}

.sidebar-title {
  display: flex;
  align-items: center;
  gap: 8px;
}

.sidebar-title h2 {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.2px;
  color: var(--text-primary);
  text-transform: uppercase;
}

.filter-section {
  padding: 14px 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.filter-badge {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--text-muted);
  text-transform: uppercase;
}

.filter-heading {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
}

.filter-divider {
  height: 1px;
  background-color: var(--border-subtle);
  margin: 0;
}

/* Search Input */
.search-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.search-input-wrapper svg {
  position: absolute;
  left: 10px;
  color: var(--text-muted);
  pointer-events: none;
}

.search-input-wrapper input {
  width: 100%;
  padding: 8px 30px 8px 32px;
  border-radius: 6px;
  border: 1px solid var(--border-strong);
  background-color: var(--bg-surface-subtle);
  color: var(--text-primary);
  font-size: 13px;
  outline: none;
  transition: all 0.15s ease;
}

.search-input-wrapper input:focus {
  border-color: var(--chaffey-red);
  background-color: var(--bg-surface);
  box-shadow: 0 0 0 3px var(--chaffey-red-glow);
}

.btn-clear-icon {
  position: absolute;
  right: 8px;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 16px;
  cursor: pointer;
  line-height: 1;
}

/* Form Controls */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.form-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
}

.form-select {
  width: 100%;
  padding: 7px 10px;
  border-radius: 6px;
  border: 1px solid var(--border-strong);
  background-color: var(--bg-surface);
  color: var(--text-primary);
  font-size: 13px;
  outline: none;
  cursor: pointer;
  transition: border-color 0.15s ease;
}

.form-select:focus {
  border-color: var(--chaffey-red);
  box-shadow: 0 0 0 3px var(--chaffey-red-glow);
}

.form-input-sm {
  width: 100%;
  padding: 5px 8px;
  border-radius: 4px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-surface);
  color: var(--text-primary);
  font-size: 12px;
  outline: none;
}

/* Accordions for Secondary Filters */
.accordion-item {
  border: 1px solid var(--border-color);
  border-radius: 6px;
  overflow: hidden;
  background-color: var(--bg-surface);
}

.accordion-header {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background-color: var(--bg-surface-subtle);
  border: none;
  color: var(--text-primary);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
}

.accordion-header:hover {
  background-color: var(--bg-surface-active);
}

.accordion-header .badge {
  background-color: var(--border-strong);
  color: var(--text-primary);
  border-radius: 10px;
  font-size: 11px;
  padding: 1px 6px;
  font-weight: 700;
  margin-left: auto;
  margin-right: 8px;
}

.accordion-header .badge.active {
  background-color: var(--chaffey-red);
  color: #ffffff;
}

.accordion-header .chevron {
  transition: transform 0.2s ease;
  color: var(--text-muted);
}

.accordion-item.open .accordion-header .chevron {
  transform: rotate(180deg);
}

.accordion-body {
  display: none;
  padding: 8px 12px;
  background-color: var(--bg-surface);
  max-height: 180px;
  overflow-y: auto;
}

.accordion-item.open .accordion-body {
  display: block;
}

.checkbox-search-wrapper {
  margin-bottom: 6px;
}

.checkbox-list {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-primary);
  cursor: pointer;
  padding: 2px 4px;
  border-radius: 4px;
  user-select: none;
}

.checkbox-label:hover {
  background-color: var(--bg-surface-subtle);
}

.checkbox-label input[type="checkbox"] {
  accent-color: var(--chaffey-red);
  cursor: pointer;
}

.checkbox-count {
  margin-left: auto;
  color: var(--text-muted);
  font-size: 11px;
  font-family: var(--font-mono);
}

/* ==========================================================================
   MAIN CONTENT AREA & GRID CONTROLS
   ========================================================================== */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background-color: var(--bg-page);
  position: relative;
}

.grid-controls-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 20px;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  flex-shrink: 0;
  gap: 12px;
  flex-wrap: wrap;
}

.controls-left, .controls-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

/* Conflict Toggle Button */
.btn-conflict-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 20px;
  border: 1px solid var(--border-strong);
  background-color: var(--bg-surface-subtle);
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
}

.btn-conflict-toggle .toggle-track {
  width: 32px;
  height: 18px;
  background-color: var(--border-strong);
  border-radius: 10px;
  position: relative;
  transition: background-color 0.2s ease;
}

.btn-conflict-toggle .toggle-thumb {
  width: 14px;
  height: 14px;
  background-color: #ffffff;
  border-radius: 50%;
  position: absolute;
  top: 2px;
  left: 2px;
  transition: transform 0.2s ease;
  box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.btn-conflict-toggle.active {
  background-color: var(--conflict-bg);
  border-color: var(--conflict-border);
  color: var(--conflict-color);
}

.btn-conflict-toggle.active .toggle-track {
  background-color: var(--conflict-color);
}

.btn-conflict-toggle.active .toggle-thumb {
  transform: translateX(14px);
}

.conflict-badge-counter {
  background-color: var(--border-strong);
  color: var(--text-secondary);
  border-radius: 10px;
  padding: 1px 6px;
  font-size: 11px;
  font-weight: 700;
  font-family: var(--font-mono);
}

.btn-conflict-toggle.active .conflict-badge-counter {
  background-color: var(--conflict-color);
  color: #ffffff;
}

.conflict-mode-switcher {
  display: inline-flex;
  border: 1px solid var(--conflict-border);
  border-radius: 14px;
  overflow: hidden;
  background-color: var(--conflict-bg);
}

.btn-sub-toggle {
  background: none;
  border: none;
  padding: 3px 9px;
  font-size: 11px;
  font-weight: 700;
  color: var(--conflict-color);
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-sub-toggle.active {
  background-color: var(--conflict-border);
  color: #ffffff;
}

.metric-pill#metric-stacked-pill {
  border-color: var(--stacked-border);
  background-color: var(--stacked-bg);
  color: var(--stacked-text);
}

.metric-pill#metric-stacked-pill .metric-value {
  color: var(--stacked-color);
}

.view-status-tag {
  font-size: 12px;
  color: var(--text-muted);
  padding: 4px 8px;
  background-color: var(--bg-surface-subtle);
  border-radius: 4px;
}

/* Button Group (Mon-Fri, Mon-Sun, Day View, Room Matrix) */
.button-group {
  display: inline-flex;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  overflow: hidden;
  background-color: var(--bg-surface-subtle);
}

.btn-toggle {
  background: none;
  border: none;
  padding: 6px 11px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s ease;
  border-right: 1px solid var(--border-color);
}

.btn-toggle:last-child {
  border-right: none;
}

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

.btn-toggle.active {
  background-color: var(--chaffey-red);
  color: #ffffff;
}

/* Active Filter Pills Bar */
.active-filters-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background-color: var(--bg-surface-subtle);
  border-bottom: 1px solid var(--border-color);
  flex-wrap: wrap;
}

.active-filters-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
}

.active-pills-list {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.filter-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-strong);
  padding: 3px 8px;
  border-radius: 14px;
  font-size: 11px;
  color: var(--text-primary);
  font-weight: 500;
}

.filter-pill strong {
  color: var(--chaffey-red);
}

.filter-pill .pill-remove {
  cursor: pointer;
  font-size: 13px;
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
}

.filter-pill .pill-remove:hover {
  color: var(--conflict-color);
}

.btn-clear-all {
  background: none;
  border: none;
  font-size: 11px;
  font-weight: 600;
  color: var(--chaffey-red);
  cursor: pointer;
  text-decoration: underline;
  margin-left: 6px;
}

/* Conflict Alert Banner */
.conflict-alert-banner {
  background-color: var(--conflict-bg);
  border-bottom: 1px solid var(--conflict-border);
  padding: 8px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  animation: fadeIn 0.2s ease-in-out;
}

.conflict-banner-icon {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background-color: var(--conflict-border);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 14px;
  flex-shrink: 0;
}

.conflict-banner-text {
  flex: 1;
  font-size: 13px;
  color: var(--conflict-color);
}

.conflict-banner-text strong {
  margin-right: 6px;
}

/* ==========================================================================
   SCHEDULE GRID VIEWPORT & GRID ENGINE
   ========================================================================== */
.schedule-grid-viewport {
  flex: 1;
  overflow: auto;
  position: relative;
  background-color: var(--bg-page);
}

.schedule-grid {
  display: grid;
  min-width: 900px;
  position: relative;
  background-color: var(--bg-surface);
}

/* Sticky Header (Day Columns) */
.grid-header-row {
  display: contents;
}

.grid-corner-cell {
  position: sticky;
  top: 0;
  left: 0;
  z-index: 35;
  background-color: var(--grid-header-bg);
  border-right: 1px solid var(--border-color);
  border-bottom: 2px solid var(--border-color);
  padding: 10px;
  text-align: center;
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
}

.grid-day-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background-color: var(--grid-header-bg);
  border-right: 1px solid var(--grid-column-divider);
  border-bottom: 2px solid var(--border-color);
  padding: 10px 8px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 2px;
  box-shadow: 0 1px 0 var(--border-color);
}

.day-name {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
}

.day-count {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-muted);
}

/* Room Matrix Subheader Row */
.room-subheaders-container {
  display: flex;
  width: 100%;
  margin-top: 6px;
  border-top: 1px solid var(--border-subtle);
  padding-top: 4px;
}

.room-sub-header {
  flex: 1;
  font-size: 10px;
  font-weight: 700;
  color: var(--chaffey-blue);
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
  padding: 1px 2px;
  background: var(--bg-surface-subtle);
  border-radius: 3px;
  margin: 0 1px;
}

/* Left Sticky Time Column */
.grid-time-cell {
  position: sticky;
  left: 0;
  z-index: 25;
  background-color: var(--grid-time-bg);
  border-right: 1px solid var(--border-color);
  border-bottom: 1px solid var(--grid-line-half);
  padding: 4px 8px;
  text-align: right;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  display: flex;
  align-items: flex-start;
  justify-content: flex-end;
}

.grid-time-cell.hour-mark {
  border-bottom-color: var(--grid-line-hour);
  font-weight: 700;
  color: var(--text-secondary);
}

/* Day Column Canvas Body */
.grid-day-column {
  position: relative;
  border-right: 1px solid var(--grid-column-divider);
  background-size: 100% 64px; /* Matches 2 x 32px slots for each hour */
  background-image: linear-gradient(to bottom, var(--grid-line-hour) 1px, transparent 1px, transparent 32px, var(--grid-line-half) 32px, transparent 33px);
}

/* Individual Grid Cells */
.grid-cell {
  border-bottom: 1px solid var(--grid-line-half);
  height: 32px;
}

.grid-cell.hour-mark {
  border-bottom-color: var(--grid-line-hour);
}

/* ==========================================================================
   SCHEDULE TILES / BLOCKS
   ========================================================================== */
.schedule-tile {
  position: absolute;
  border-radius: 6px;
  padding: 5px 7px;
  cursor: pointer;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-left: 4px solid var(--chaffey-red);
  background-color: var(--bg-surface);
  box-shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.05);
  transition: transform 0.15s ease, box-shadow 0.15s ease, z-index 0.1s ease;
  z-index: 10;
  user-select: none;
}

.schedule-tile:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  z-index: 20;
}

/* Instruction Type specific styling */
.schedule-tile.type-lec {
  background-color: var(--type-lec-bg);
  border-left-color: var(--type-lec-border);
  border-top: 1px solid rgba(244, 63, 94, 0.2);
  border-right: 1px solid rgba(244, 63, 94, 0.2);
  border-bottom: 1px solid rgba(244, 63, 94, 0.2);
}

.schedule-tile.type-lab {
  background-color: var(--type-lab-bg);
  border-left-color: var(--type-lab-border);
  border-top: 1px solid rgba(59, 130, 246, 0.2);
  border-right: 1px solid rgba(59, 130, 246, 0.2);
  border-bottom: 1px solid rgba(59, 130, 246, 0.2);
}

.schedule-tile.type-combo {
  background-color: var(--type-combo-bg);
  border-left-color: var(--type-combo-border);
  border-top: 1px solid rgba(34, 197, 94, 0.2);
  border-right: 1px solid rgba(34, 197, 94, 0.2);
  border-bottom: 1px solid rgba(34, 197, 94, 0.2);
}

/* Conflicting Tile Highlight */
.schedule-tile.is-conflict {
  border: 2px solid var(--conflict-border) !important;
  border-left-width: 6px !important;
  background-color: var(--conflict-bg) !important;
  box-shadow: 0 0 10px var(--conflict-glow) !important;
  animation: conflictPulse 2s infinite ease-in-out;
  z-index: 15;
}

@keyframes conflictPulse {
  0% { box-shadow: 0 0 0 0 var(--conflict-glow); }
  50% { box-shadow: 0 0 12px 3px var(--conflict-glow); }
  100% { box-shadow: 0 0 0 0 var(--conflict-glow); }
}

/* Stacked Classes Tile Highlight (Same Instructor & Room) */
.schedule-tile.is-stacked {
  border-left: 5px solid var(--stacked-border) !important;
  background-color: var(--stacked-bg) !important;
  box-shadow: 0 0 6px var(--stacked-glow) !important;
}

.tile-stacked-tag {
  background-color: var(--stacked-color);
  color: #ffffff;
  font-weight: 800;
  font-size: 8.5px;
  padding: 1px 4px;
  border-radius: 3px;
  display: inline-flex;
  align-items: center;
  gap: 2px;
}

/* Distinct High-Contrast Accessible Colors for Each GE Area */
.tile-ge-tag {
  font-size: 9px;
  font-weight: 800;
  padding: 1px 5px;
  border-radius: 3px;
  color: #ffffff !important;
  white-space: nowrap;
  letter-spacing: 0.2px;
}
.ge-color-1a { background-color: var(--ge-1a); color: #ffffff !important; }
.ge-color-1b { background-color: var(--ge-1b); color: #ffffff !important; }
.ge-color-1c { background-color: var(--ge-1c); color: #ffffff !important; }
.ge-color-2  { background-color: var(--ge-2);  color: #ffffff !important; }
.ge-color-3a { background-color: var(--ge-3a); color: #ffffff !important; }
.ge-color-3b { background-color: var(--ge-3b); color: #ffffff !important; }
.ge-color-4  { background-color: var(--ge-4);  color: #ffffff !important; }
.ge-color-5a { background-color: var(--ge-5a); color: #ffffff !important; }
.ge-color-5b { background-color: var(--ge-5b); color: #ffffff !important; }
.ge-color-5c { background-color: var(--ge-5c); color: #ffffff !important; }
.ge-color-6  { background-color: var(--ge-6);  color: #ffffff !important; }
.ge-color-us1 { background-color: var(--ge-us1); color: #ffffff !important; }
.ge-color-us2 { background-color: var(--ge-us2); color: #ffffff !important; }
.ge-color-e  { background-color: var(--ge-e);  color: #ffffff !important; }
.ge-color-f  { background-color: var(--ge-f);  color: #ffffff !important; }
.ge-color-other { background-color: var(--ge-other); color: #ffffff !important; }
/* Generic / Fallback aliases */
.ge-color-1  { background-color: var(--ge-1a); color: #ffffff !important; }
.ge-color-3  { background-color: var(--ge-3a); color: #ffffff !important; }
.ge-color-5  { background-color: var(--ge-5a); color: #ffffff !important; }

/* Dedicated Course Code Top Row - Full width prevents text smashing */
.tile-course-row {
  width: 100%;
  display: block;
  margin-bottom: 2px;
  line-height: 1.2;
}

.tile-course-code {
  font-size: 11.5px;
  font-weight: 800;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
  letter-spacing: -0.2px;
}

/* Badges Row - Cleanly wraps tags underneath course title */
.tile-badges-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 3px;
  margin-bottom: 2px;
}

.tile-header {
  display: flex;
  flex-direction: column;
  width: 100%;
  gap: 2px;
  line-height: 1.15;
}

.tile-type-badge {
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
  padding: 1px 4px;
  border-radius: 3px;
  white-space: nowrap;
  flex-shrink: 0;
}

.type-lec .tile-type-badge {
  background-color: var(--type-lec-border);
  color: #ffffff;
}

.type-lab .tile-type-badge {
  background-color: var(--type-lab-border);
  color: #ffffff;
}

.type-combo .tile-type-badge {
  background-color: var(--type-combo-border);
  color: #ffffff;
}

.tile-body {
  margin: 2px 0;
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.tile-sec-name {
  font-size: 10px;
  font-weight: 600;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tile-faculty {
  font-size: 10px;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tile-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 4px;
  font-size: 10px;
  line-height: 1.2;
}

.tile-time {
  font-family: var(--font-mono);
  font-size: 9.5px;
  font-weight: 600;
  color: var(--text-secondary);
  white-space: nowrap;
}

.tile-room-badge {
  background-color: var(--bg-surface-subtle);
  border: 1px solid var(--border-color);
  color: var(--chaffey-blue);
  font-weight: 700;
  font-size: 9.5px;
  padding: 1px 4px;
  border-radius: 3px;
  white-space: nowrap;
}

.tile-conflict-alert-tag {
  background-color: var(--conflict-border);
  color: #ffffff;
  font-weight: 800;
  font-size: 9px;
  padding: 1px 4px;
  border-radius: 3px;
  display: inline-flex;
  align-items: center;
  gap: 2px;
}

/* ==========================================================================
   HOVER POPOVER TOOLTIP
   ========================================================================== */
.schedule-popover {
  position: fixed;
  z-index: 1000;
  width: 320px;
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  box-shadow: var(--shadow-popover);
  padding: 14px;
  pointer-events: none;
  font-size: 12px;
  animation: popoverFadeIn 0.15s ease-out;
  backdrop-filter: blur(8px);
}

@keyframes popoverFadeIn {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}

.popover-header {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 8px;
  margin-bottom: 8px;
}

.popover-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.popover-course {
  font-size: 14px;
  font-weight: 800;
  color: var(--text-primary);
}

.popover-id-pill {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  background-color: var(--bg-surface-subtle);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--text-muted);
}

.popover-sec-name {
  font-size: 11px;
  font-weight: 600;
  color: var(--chaffey-red);
}

.popover-grid {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 5px 8px;
  margin-bottom: 8px;
}

.popover-field-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
}

.popover-field-value {
  font-size: 11.5px;
  font-weight: 500;
  color: var(--text-primary);
}

.popover-traits-list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 6px;
  border-top: 1px solid var(--border-subtle);
  padding-top: 8px;
}

.trait-tag {
  font-size: 10px;
  background-color: var(--bg-surface-subtle);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 2px 6px;
  border-radius: 12px;
  font-weight: 500;
}

.popover-conflict-warning {
  margin-top: 8px;
  padding: 6px 8px;
  background-color: var(--conflict-bg);
  border: 1px solid var(--conflict-border);
  border-radius: 6px;
  color: var(--conflict-color);
  font-size: 11px;
  font-weight: 600;
}

/* ==========================================================================
   MODAL WINDOWS (DETAILS & CONFLICT CENTER)
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-dialog {
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  width: 100%;
  max-width: 600px;
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-popover);
  overflow: hidden;
  animation: modalScale 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-dialog-lg {
  max-width: 820px;
}

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

.modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header-danger {
  background-color: var(--conflict-bg);
  border-bottom-color: var(--conflict-border);
}

.modal-title-group {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.modal-badge {
  font-size: 11px;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--chaffey-red);
}

.modal-badge-danger {
  font-size: 11px;
  font-weight: 800;
  color: var(--conflict-color);
  letter-spacing: 0.5px;
}

.modal-header h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-primary);
}

.modal-close-btn {
  background: none;
  border: none;
  font-size: 24px;
  color: var(--text-muted);
  cursor: pointer;
  line-height: 1;
}

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

.modal-body {
  padding: 20px;
  overflow-y: auto;
  font-size: 13px;
}

/* Modal Schedule Blocks Breakdown */
.blocks-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 14px 0;
}

.block-card {
  padding: 12px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-surface-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Conflict Item inside Conflict Modal */
.conflict-item-card {
  border: 1px solid var(--conflict-border);
  background-color: var(--conflict-bg);
  border-radius: 8px;
  padding: 14px;
  margin-bottom: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.conflict-item-header {
  display: flex;
  justify-content: space-between;
  font-weight: 700;
  color: var(--conflict-color);
  font-size: 13px;
}

.conflict-parties {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  background-color: var(--bg-surface);
  padding: 10px;
  border-radius: 6px;
  border: 1px solid var(--border-color);
}

/* ==========================================================================
   DRAG AND DROP OVERLAY
   ========================================================================== */
.drag-drop-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(153, 0, 0, 0.4);
  backdrop-filter: blur(5px);
  z-index: 3000;
  display: none;
  align-items: center;
  justify-content: center;
}

.drag-drop-overlay.active {
  display: flex;
}

.drag-drop-modal {
  background-color: var(--bg-surface);
  border: 2px dashed var(--chaffey-red);
  padding: 40px;
  border-radius: 16px;
  text-align: center;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.drag-drop-modal h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
}

.drag-drop-modal p {
  color: var(--text-secondary);
  font-size: 13px;
}

/* ==========================================================================
   TOAST / SPINNER
   ========================================================================== */
.export-toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  padding: 12px 18px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 2500;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid var(--border-strong);
  border-top-color: var(--chaffey-red);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* Empty State */
.grid-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 20px;
  gap: 12px;
  color: var(--text-muted);
  text-align: center;
}

.grid-empty-state svg {
  color: var(--text-muted);
  opacity: 0.6;
}

.grid-empty-state h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
}

/* Responsive Styles */
@media (max-width: 992px) {
  .sidebar {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    box-shadow: var(--shadow-lg);
  }
}

/* ==========================================================================
   STACKED ROOM MATRIX VIEW (Vertically Stacked by Building/Room)
   ========================================================================== */
.room-matrix-stacked {
  display: flex;
  flex-direction: column;
  gap: 28px;
  padding: 20px;
  width: 100%;
}

.room-matrix-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow 0.2s ease;
}

.room-matrix-card:hover {
  box-shadow: var(--shadow-md);
}

.room-card-header {
  padding: 14px 20px;
  background-color: var(--bg-surface-subtle);
  border-bottom: 2px solid var(--chaffey-red);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

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

.room-code-badge {
  background-color: var(--chaffey-red);
  color: #ffffff;
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 15px;
  padding: 4px 10px;
  border-radius: 6px;
  box-shadow: 0 2px 4px var(--chaffey-red-glow);
}

.room-bldg-desc {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--text-primary);
}

.room-card-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.room-meta-pill {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  padding: 3px 10px;
  border-radius: 12px;
}

.room-calendar-grid-wrapper {
  overflow-x: auto;
  position: relative;
}

/* ==========================================================================
   GENERAL EDUCATION (GE) COVERAGE AUDIT VIEW
   ========================================================================== */
.ge-coverage-container {
  padding: 20px;
  background-color: var(--bg-surface);
  border-bottom: 2px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 16px;
  animation: fadeIn 0.2s ease-in-out;
}

.ge-coverage-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 14px;
}

.ge-coverage-title h3 {
  font-size: 17px;
  font-weight: 800;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.ge-coverage-title p {
  font-size: 12.5px;
  color: var(--text-muted);
  margin-top: 3px;
}

.ge-header-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.ge-pattern-tabs {
  display: inline-flex;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  overflow: hidden;
  background-color: var(--bg-surface-subtle);
}

.ge-pattern-tab {
  background: none;
  border: none;
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s ease;
  border-right: 1px solid var(--border-color);
}

.ge-pattern-tab:last-child {
  border-right: none;
}

.ge-pattern-tab.active {
  background-color: var(--chaffey-red);
  color: #ffffff;
}

.ge-audit-summary-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-radius: 8px;
  background-color: var(--bg-surface-subtle);
  border: 1px solid var(--border-color);
  font-size: 13px;
  flex-wrap: wrap;
  gap: 12px;
}

.ge-audit-stat-group {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.ge-stat-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.ge-stat-label {
  color: var(--text-muted);
  font-size: 12px;
}

.ge-stat-val {
  font-weight: 800;
  font-size: 14px;
  color: var(--text-primary);
}

.ge-stat-val.val-covered {
  color: #059669;
}

.ge-stat-val.val-missing {
  color: #dc2626;
}

.ge-areas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 12px;
}

.ge-area-card {
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 12px 14px;
  background-color: var(--bg-surface);
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: all 0.15s ease;
}

.ge-area-card.is-covered {
  border-left: 5px solid #10b981;
  background-color: rgba(16, 185, 129, 0.04);
}

.ge-area-card.is-missing {
  border-left: 5px solid #ef4444;
  background-color: rgba(239, 68, 68, 0.04);
}

.ge-area-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
}

.ge-area-badge {
  font-size: 11px;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: 4px;
  color: #ffffff;
}

.ge-status-pill {
  font-size: 10px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 10px;
}

.ge-status-pill.status-covered {
  background-color: #d1fae5;
  color: #065f46;
}

.ge-status-pill.status-missing {
  background-color: #fee2e2;
  color: #991b1b;
}

.ge-area-name {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.3;
}

.ge-area-courses-list {
  font-size: 11px;
  color: var(--text-secondary);
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 4px;
}

.ge-course-chip {
  background-color: var(--bg-surface-subtle);
  border: 1px solid var(--border-color);
  padding: 3px 8px;
  border-radius: 5px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--text-primary);
}

.ge-course-chip:hover {
  background-color: var(--chaffey-red);
  color: #ffffff;
  border-color: var(--chaffey-red);
  transform: translateY(-1px);
  box-shadow: 0 2px 5px var(--chaffey-red-glow);
}

/* Sub-Layout Switchers (Swap between Day View & Room Matrix in GE/Evening views) */
.sub-layout-switcher {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: var(--bg-surface-subtle);
  border: 1px solid var(--border-color);
  padding: 3px 8px;
  border-radius: 8px;
}

.sub-layout-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.btn-sub-toggle-group {
  display: inline-flex;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  overflow: hidden;
  background-color: var(--bg-surface);
}

.btn-sub-layout-toggle {
  background: none;
  border: none;
  padding: 5px 12px;
  font-size: 11.5px;
  font-weight: 700;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s ease;
  border-right: 1px solid var(--border-color);
}

.btn-sub-layout-toggle:last-child {
  border-right: none;
}

.btn-sub-layout-toggle:hover {
  background-color: var(--bg-surface-active);
  color: var(--text-primary);
}

.btn-sub-layout-toggle.active {
  background-color: var(--chaffey-red);
  color: #ffffff;
}

/* ==========================================================================
   EVENING & WEEKEND COVERAGE AUDIT VIEW
   ========================================================================== */
.evening-coverage-container {
  padding: 20px;
  background-color: var(--bg-surface);
  border-bottom: 2px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 16px;
  animation: fadeIn 0.2s ease-in-out;
}

.evening-coverage-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 14px;
}

.evening-coverage-title h3 {
  font-size: 17px;
  font-weight: 800;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.evening-coverage-title p {
  font-size: 12.5px;
  color: var(--text-muted);
  margin-top: 3px;
}

.evening-header-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.evening-audit-summary-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

.evening-stat-card {
  background-color: var(--bg-surface-subtle);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 3px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.evening-stat-card:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.evening-stat-card.highlight-card {
  border-left: 4px solid var(--chaffey-blue);
}

.evening-stat-card.weekend-card {
  border-left: 4px solid #10b981;
}

.evening-stat-card.friday-card {
  border-left: 4px solid #8b5cf6;
}

.evening-stat-card-title {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.evening-stat-card-value {
  font-size: 24px;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.1;
}

.evening-stat-card-sub {
  font-size: 11.5px;
  color: var(--text-secondary);
}

.evening-bands-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
}

.evening-band-card {
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 14px;
  background-color: var(--bg-surface);
  display: flex;
  flex-direction: column;
  gap: 10px;
  box-shadow: var(--shadow-sm);
}

.evening-band-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 8px;
}

.evening-band-tag {
  font-size: 11px;
  font-weight: 800;
  padding: 3px 8px;
  border-radius: 4px;
  color: #ffffff;
}

.evening-tag-weekday { background-color: #4338ca; }
.evening-tag-night { background-color: #1e1b4b; }
.evening-tag-friday { background-color: #7c3aed; }
.evening-tag-weekend { background-color: #059669; }

.evening-courses-list {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

/* ==========================================================================
   WELCOME EMPTY-STATE HERO (FIRST STEP PROMPT)
   ========================================================================== */
.welcome-upload-hero {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 180px);
  width: 100%;
  padding: 40px 20px;
  box-sizing: border-box;
}

.welcome-card {
  max-width: 680px;
  width: 100%;
  background: var(--bg-surface);
  border: 2px dashed var(--border-strong);
  border-radius: 18px;
  padding: 44px 36px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  box-shadow: var(--shadow-md);
  transition: all 0.25s ease;
  position: relative;
}

.welcome-card:hover {
  border-color: var(--chaffey-red);
  box-shadow: 0 10px 30px rgba(153, 0, 0, 0.08), var(--shadow-lg);
}

.welcome-step-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--chaffey-red-light);
  border: 1px solid rgba(153, 0, 0, 0.2);
  color: var(--chaffey-red);
  padding: 4px 14px;
  border-radius: 30px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.8px;
  margin-bottom: 20px;
}

.welcome-step-pill .step-num {
  background: var(--chaffey-red);
  color: #ffffff;
  padding: 2px 7px;
  border-radius: 12px;
  font-size: 10px;
}

.welcome-icon-circle {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--chaffey-red-light);
  color: var(--chaffey-red);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  box-shadow: 0 4px 14px var(--chaffey-red-glow);
}

.welcome-title {
  font-size: 24px;
  font-weight: 800;
  color: var(--text-primary);
  margin: 0 0 12px 0;
  letter-spacing: -0.3px;
}

.welcome-desc {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0 0 12px 0;
}

.welcome-desc code {
  background: var(--bg-surface-subtle);
  border: 1px solid var(--border-color);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--chaffey-red);
}

.welcome-informer-note {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  background: var(--bg-surface-subtle);
  border: 1px solid var(--border-color);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 13px;
  color: var(--text-secondary);
  margin: 0 0 24px 0;
}

.welcome-informer-note svg {
  color: var(--chaffey-red);
  flex-shrink: 0;
}

.welcome-informer-note a {
  color: var(--chaffey-red);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color 0.15s ease;
}

.welcome-informer-note a:hover {
  color: var(--chaffey-red-hover);
  text-decoration: underline;
}

.btn-hero-upload {
  background: var(--chaffey-red);
  color: #ffffff;
  font-size: 15px;
  font-weight: 700;
  padding: 13px 30px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  box-shadow: 0 4px 16px var(--chaffey-red-glow);
  transition: all 0.2s ease;
  border: none;
  font-family: var(--font-sans);
}

.btn-hero-upload:hover {
  background: var(--chaffey-red-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 22px var(--chaffey-red-glow);
  color: #ffffff;
}

.btn-hero-upload:active {
  transform: translateY(0);
}

.welcome-drop-hint {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 14px;
  margin-bottom: 28px;
}

.welcome-features-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  width: 100%;
  border-top: 1px solid var(--border-color);
  padding-top: 24px;
  text-align: left;
}

@media (max-width: 768px) {
  .welcome-features-list {
    grid-template-columns: 1fr;
  }
}

.welcome-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background: var(--bg-surface-subtle);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 12px 14px;
}

.welcome-feature-item .feature-icon {
  font-size: 20px;
  flex-shrink: 0;
  line-height: 1;
}

.welcome-feature-item .feature-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.welcome-feature-item .feature-text strong {
  font-size: 12px;
  color: var(--text-primary);
  font-weight: 700;
}

.welcome-feature-item .feature-text span {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.3;
}

/* --- DAY VIEW 200-BLOCK LIMIT WARNING --- */
.grid-limit-warning {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 56px 28px;
  background: var(--bg-surface);
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-lg);
  margin: 30px auto;
  max-width: 620px;
  box-shadow: var(--shadow-sm);
}

.limit-warning-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(234, 134, 0, 0.12);
  color: #ea8600;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.grid-limit-warning h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 10px 0;
  letter-spacing: -0.2px;
}

.grid-limit-warning p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-secondary);
  margin: 0 0 10px 0;
  max-width: 520px;
}

.grid-limit-warning .limit-warning-hint {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.btn-switch-room-matrix {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 13.5px;
  padding: 10px 22px;
  border-radius: var(--radius-md);
  cursor: pointer;
  background: var(--chaffey-red);
  color: #ffffff;
  border: none;
  box-shadow: 0 3px 12px var(--chaffey-red-glow);
  transition: all 0.2s ease;
}

.btn-switch-room-matrix:hover {
  background: var(--chaffey-red-hover);
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: 0 5px 16px var(--chaffey-red-glow);
}

/* ==========================================================================
   FAST-TRACK SEQUENTIAL PAIRING COVERAGE AUDIT VIEW
   ========================================================================== */
.fasttrack-coverage-container {
  padding: 20px;
  background-color: var(--bg-surface);
  border-bottom: 2px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 16px;
  animation: fadeIn 0.2s ease-in-out;
}

.fasttrack-coverage-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 14px;
}

.fasttrack-coverage-title h3 {
  font-size: 17px;
  font-weight: 800;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.fasttrack-coverage-title p {
  font-size: 12.5px;
  color: var(--text-muted);
  margin-top: 3px;
}

.fasttrack-header-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.fasttrack-summary-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

.fasttrack-stat-card {
  background-color: var(--bg-surface-subtle);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 3px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.fasttrack-stat-card:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.fasttrack-stat-card.highlight-card {
  border-left: 4px solid var(--chaffey-blue);
}

.fasttrack-stat-card.opt-card {
  border-left: 4px solid #10b981;
}

.fasttrack-stat-card.unopt-card {
  border-left: 4px solid #f59e0b;
}

.fasttrack-stat-card.unpaired-card {
  border-left: 4px solid #ef4444;
}

.fasttrack-stat-card-title {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.fasttrack-stat-card-value {
  font-size: 24px;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.1;
}

.fasttrack-stat-card-sub {
  font-size: 11.5px;
  color: var(--text-secondary);
}

/* Fast-Track Audit Tab Filter Bar */
.fasttrack-audit-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  background: var(--bg-surface-subtle);
  border: 1px solid var(--border-color);
  padding: 6px 10px;
  border-radius: 10px;
}

.fasttrack-audit-tabs {
  display: inline-flex;
  gap: 6px;
  flex-wrap: wrap;
}

.ft-tab-btn {
  background: none;
  border: 1px solid transparent;
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  border-radius: 7px;
  cursor: pointer;
  transition: all 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.ft-tab-btn:hover {
  background: var(--bg-surface);
  color: var(--text-primary);
  border-color: var(--border-color);
}

.ft-tab-btn.active {
  background: var(--bg-surface);
  color: var(--text-primary);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-sm);
  font-weight: 700;
}

.ft-tab-badge {
  font-size: 10.5px;
  font-weight: 700;
  padding: 1px 7px;
  border-radius: 10px;
  background: var(--bg-surface-active);
  color: var(--text-secondary);
}

.ft-tab-btn.active .ft-tab-badge {
  background: var(--chaffey-red);
  color: #ffffff;
}

.ft-tab-btn.tab-opt.active .ft-tab-badge {
  background: #10b981;
  color: #ffffff;
}

.ft-tab-btn.tab-unopt.active .ft-tab-badge {
  background: #f59e0b;
  color: #ffffff;
}

.ft-tab-btn.tab-unpaired.active .ft-tab-badge {
  background: #ef4444;
  color: #ffffff;
}

/* Fast-Track Cards Grid */
.fasttrack-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(480px, 1fr));
  gap: 16px;
}

@media (max-width: 640px) {
  .fasttrack-cards-grid {
    grid-template-columns: 1fr;
  }
}

/* Fast-Track Pairing Card */
.ft-pair-card {
  border: 1px solid var(--border-color);
  border-radius: 10px;
  background-color: var(--bg-surface);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

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

.ft-card-top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background-color: var(--bg-surface-subtle);
  border-bottom: 1px solid var(--border-subtle);
  gap: 8px;
  flex-wrap: wrap;
}

.ft-room-badge {
  font-size: 12.5px;
  font-weight: 800;
  color: var(--text-primary);
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  padding: 3px 8px;
  border-radius: 5px;
}

.ft-days-time {
  font-size: 11.5px;
  font-weight: 600;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.ft-status-pill {
  font-size: 11px;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.ft-status-pill.status-optimized {
  background-color: #d1fae5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.ft-status-pill.status-unoptimized {
  background-color: #fef3c7;
  color: #92400e;
  border: 1px solid #fde68a;
}

.ft-status-pill.status-unpaired {
  background-color: #fee2e2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

/* Status Reason Banner */
.ft-reason-banner {
  padding: 8px 14px;
  font-size: 11.5px;
  font-weight: 600;
  display: flex;
  align-items: flex-start;
  gap: 8px;
  line-height: 1.4;
  border-bottom: 1px solid var(--border-subtle);
}

.ft-reason-banner.banner-optimized {
  background-color: #ecfdf5;
  color: #065f46;
}

.ft-reason-banner.banner-unoptimized {
  background-color: #fffbeb;
  color: #92400e;
}

.ft-reason-banner.banner-unpaired {
  background-color: #fef2f2;
  color: #991b1b;
}

/* Two-column Course Split */
.ft-sections-split {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: stretch;
  padding: 12px 14px;
  gap: 10px;
}

@media (max-width: 480px) {
  .ft-sections-split {
    grid-template-columns: 1fr;
    gap: 8px;
  }
}

.ft-slot-card {
  background: var(--bg-surface-subtle);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.ft-slot-card:hover {
  background: var(--bg-surface);
  border-color: var(--chaffey-red);
  transform: translateY(-1px);
  box-shadow: 0 3px 8px var(--chaffey-red-glow);
}

.ft-slot-tag {
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 2px 6px;
  border-radius: 4px;
  align-self: flex-start;
}

.ft-slot-tag.tag-ft1 {
  background: #e0f2fe;
  color: #0369a1;
}

.ft-slot-tag.tag-ft2 {
  background: #ede9fe;
  color: #6d28d9;
}

.ft-slot-course {
  font-size: 14.5px;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.2;
}

.ft-slot-title {
  font-size: 11px;
  color: var(--text-secondary);
  line-height: 1.3;
}

.ft-slot-meta {
  font-size: 11px;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-top: 2px;
}

.ft-slot-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 4px;
}

.ft-split-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 16px;
  font-weight: 800;
  padding: 0 4px;
}

/* Unpaired Card Styling */
.ft-unpaired-card {
  border: 1px dashed #f87171;
  border-radius: 10px;
  background-color: var(--bg-surface);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.ft-unpaired-card:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
  border-color: #ef4444;
}

.ft-unpaired-body {
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* Tile Fast-Track Tags in Schedule Grid */
.tile-ft-tag {
  display: inline-block;
  padding: 1px 4px;
  border-radius: 3px;
  font-size: 9.5px;
  font-weight: 800;
  letter-spacing: 0.3px;
  margin-left: 4px;
  vertical-align: middle;
}

.tile-ft-tag.ft1-tag {
  background-color: #0284c7;
  color: #ffffff;
}

.tile-ft-tag.ft2-tag {
  background-color: #7c3aed;
  color: #ffffff;
}

/* Dark Mode Overrides for Fast-Track elements */
[data-theme="dark"] .ft-status-pill.status-optimized {
  background-color: #064e3b;
  color: #a7f3d0;
  border-color: #059669;
}

[data-theme="dark"] .ft-status-pill.status-unoptimized {
  background-color: #78350f;
  color: #fde68a;
  border-color: #d97706;
}

[data-theme="dark"] .ft-status-pill.status-unpaired {
  background-color: #7f1d1d;
  color: #fecaca;
  border-color: #dc2626;
}

[data-theme="dark"] .ft-reason-banner.banner-optimized {
  background-color: #064e3b;
  color: #a7f3d0;
}

[data-theme="dark"] .ft-reason-banner.banner-unoptimized {
  background-color: #78350f;
  color: #fde68a;
}

[data-theme="dark"] .ft-reason-banner.banner-unpaired {
  background-color: #7f1d1d;
  color: #fecaca;
}

[data-theme="dark"] .ft-slot-tag.tag-ft1 {
  background: #082f49;
  color: #38bdf8;
}

[data-theme="dark"] .ft-slot-tag.tag-ft2 {
  background: #2e1065;
  color: #c084fc;
}

/* ==========================================================================
   ENROLLMENT EFFICIENCY & PRODUCTIVITY AUDIT DASHBOARD
   ========================================================================== */
.efficiency-container {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 16px 20px;
  background-color: var(--bg-page);
  border-bottom: 2px solid var(--border-color);
}

.efficiency-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  flex-wrap: wrap;
}

.efficiency-title h3 {
  font-size: 17px;
  font-weight: 800;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
}

.efficiency-title h3 span {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--chaffey-red);
}

.efficiency-title p {
  font-size: 12px;
  color: var(--text-muted);
  margin: 4px 0 0 0;
}

.efficiency-summary-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
}

.eff-stat-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

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

.eff-stat-card.alert-card {
  border-left: 4px solid #dc2626;
  background: linear-gradient(135deg, rgba(254, 242, 242, 0.5) 0%, var(--bg-surface) 100%);
}

.eff-stat-card.fill-card {
  border-left: 4px solid #2563eb;
  background: linear-gradient(135deg, rgba(239, 246, 255, 0.5) 0%, var(--bg-surface) 100%);
}

.eff-stat-card.ftes-card {
  border-left: 4px solid #059669;
  background: linear-gradient(135deg, rgba(236, 253, 245, 0.5) 0%, var(--bg-surface) 100%);
}

.eff-stat-card.lost-card {
  border-left: 4px solid #d97706;
  background: linear-gradient(135deg, rgba(254, 243, 199, 0.5) 0%, var(--bg-surface) 100%);
}

.eff-stat-card.online-ftes-card {
  border-left: 4px solid #0284c7;
  background: linear-gradient(135deg, rgba(240, 249, 255, 0.6) 0%, var(--bg-surface) 100%);
}

.eff-stat-card.potential-card {
  border-left: 4px solid #7c3aed;
  background: linear-gradient(135deg, rgba(245, 243, 255, 0.5) 0%, var(--bg-surface) 100%);
}

.eff-stat-card-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  color: var(--text-muted);
}

.eff-stat-card-value {
  font-size: 24px;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.1;
  font-family: 'JetBrains Mono', monospace;
}

.eff-stat-card-sub {
  font-size: 11.5px;
  color: var(--text-secondary);
}

/* Analytics Row (Tiers & Breakdown) */
.efficiency-analytics-row {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 16px;
}

@media (max-width: 1024px) {
  .efficiency-analytics-row {
    grid-template-columns: 1fr;
  }
}

.efficiency-panel {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 14px 16px;
  box-shadow: var(--shadow-sm);
}

.efficiency-panel-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-subtle);
}

.tier-bar-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 11px;
  font-size: 11.5px;
}

.tier-bar-row:last-child {
  margin-bottom: 0;
}

.tier-label {
  flex: 0 0 210px;
  width: 210px;
  min-width: 210px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
}

.tier-bar-track {
  flex: 1;
  min-width: 60px;
  height: 10px;
  background-color: var(--bg-subtle);
  border-radius: 5px;
  overflow: hidden;
}

.tier-bar-fill {
  height: 100%;
  border-radius: 5px;
  transition: width 0.3s ease;
}

.tier-bar-fill.fill-opt { background-color: #10b981; }
.tier-bar-fill.fill-high { background-color: #3b82f6; }
.tier-bar-fill.fill-med { background-color: #f59e0b; }
.tier-bar-fill.fill-low { background-color: #ef4444; }

.tier-stats {
  flex: 0 0 85px;
  width: 85px;
  text-align: right;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
  font-family: 'JetBrains Mono', monospace;
  white-space: nowrap;
}

@media (max-width: 640px) {
  .tier-bar-row {
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 14px;
  }
  .tier-label {
    flex: 1 1 auto;
    width: auto;
    min-width: 0;
  }
  .tier-stats {
    flex: 0 0 auto;
    width: auto;
  }
  .tier-bar-track {
    flex: 1 0 100%;
    order: 3;
    margin-top: 3px;
  }
}

/* Breakdown Table */
.efficiency-table-container {
  max-height: 220px;
  overflow-y: auto;
}

.efficiency-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 11.5px;
}

.efficiency-table th {
  position: sticky;
  top: 0;
  background-color: var(--bg-surface);
  text-align: left;
  padding: 6px 8px;
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
  z-index: 2;
}

.efficiency-table td {
  padding: 6px 8px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-primary);
}

.efficiency-table tr:hover td {
  background-color: var(--bg-subtle);
}

/* Tab Navigation */
.efficiency-audit-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--border-color);
}

.efficiency-audit-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.eff-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background-color: var(--bg-surface);
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.eff-tab-btn:hover {
  background-color: var(--bg-subtle);
  color: var(--text-primary);
  border-color: var(--border-hover);
}

.eff-tab-btn.active {
  background-color: var(--chaffey-blue);
  color: #ffffff;
  border-color: var(--chaffey-blue);
}

.eff-tab-btn.tab-low.active {
  background-color: #dc2626;
  border-color: #dc2626;
  color: #ffffff;
}

.eff-tab-btn.tab-healthy.active {
  background-color: #059669;
  border-color: #059669;
  color: #ffffff;
}

.eff-tab-btn.tab-critical.active {
  background-color: #b91c1c;
  border-color: #b91c1c;
  color: #ffffff;
}

.eff-tab-btn.tab-lost.active {
  background-color: #d97706;
  border-color: #d97706;
  color: #ffffff;
}

.eff-tab-badge {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 10px;
  font-size: 10.5px;
  font-weight: 700;
  background: rgba(0,0,0,0.08);
}

.eff-tab-btn.active .eff-tab-badge {
  background: rgba(255,255,255,0.25);
  color: #ffffff;
}

/* Section Cards Grid */
.efficiency-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 14px;
}

.eff-section-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
  cursor: pointer;
}

.eff-section-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--chaffey-blue);
}

.eff-section-card.is-low-enrolled {
  border-left: 4px solid #dc2626;
}

.eff-section-card.is-healthy {
  border-left: 4px solid #10b981;
}

.eff-card-top-bar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 8px;
}

.eff-card-course {
  font-size: 15px;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.2;
}

.eff-card-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--chaffey-blue);
  margin-top: 2px;
  line-height: 1.3;
}

.eff-status-pill {
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 700;
  white-space: nowrap;
}

.eff-status-pill.status-low {
  background-color: #fee2e2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

.eff-status-pill.status-healthy {
  background-color: #d1fae5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.eff-status-pill.status-normal {
  background-color: #eff6ff;
  color: #1e40af;
  border: 1px solid #bfdbfe;
}

.eff-reason-banner {
  background-color: #fef2f2;
  border: 1px solid #fee2e2;
  border-radius: 6px;
  padding: 6px 10px;
  color: #991b1b;
  font-size: 11px;
  font-weight: 600;
  line-height: 1.35;
  display: flex;
  align-items: flex-start;
  gap: 6px;
}

.eff-fill-gauge-container {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.eff-fill-gauge-meta {
  display: flex;
  justify-content: space-between;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--text-secondary);
}

.eff-fill-track {
  width: 100%;
  height: 8px;
  background-color: var(--bg-subtle);
  border-radius: 4px;
  overflow: hidden;
}

.eff-fill-bar {
  height: 100%;
  border-radius: 4px;
  transition: width 0.3s ease;
}

.eff-metrics-row {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  padding-top: 6px;
  border-top: 1px dashed var(--border-subtle);
}

.eff-metric-tag {
  background-color: var(--bg-subtle);
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 11px;
  color: var(--text-secondary);
  font-weight: 500;
}

.eff-metric-tag strong {
  color: var(--text-primary);
}

/* Dark Mode Overrides for Efficiency Dashboard */
[data-theme="dark"] .eff-stat-card.alert-card {
  background: linear-gradient(135deg, rgba(127, 29, 29, 0.25) 0%, var(--bg-surface) 100%);
}

[data-theme="dark"] .eff-stat-card.fill-card {
  background: linear-gradient(135deg, rgba(30, 58, 138, 0.25) 0%, var(--bg-surface) 100%);
}

[data-theme="dark"] .eff-stat-card.ftes-card {
  background: linear-gradient(135deg, rgba(6, 78, 59, 0.25) 0%, var(--bg-surface) 100%);
}

[data-theme="dark"] .eff-stat-card.lost-card {
  background: linear-gradient(135deg, rgba(120, 53, 15, 0.25) 0%, var(--bg-surface) 100%);
}

[data-theme="dark"] .eff-stat-card.online-ftes-card {
  border-left-color: #38bdf8;
  background: linear-gradient(135deg, rgba(8, 47, 73, 0.35) 0%, var(--bg-surface) 100%);
}

[data-theme="dark"] .eff-stat-card.potential-card {
  background: linear-gradient(135deg, rgba(76, 29, 149, 0.25) 0%, var(--bg-surface) 100%);
}

[data-theme="dark"] .eff-reason-banner {
  background-color: #450a0a;
  border-color: #7f1d1d;
  color: #fca5a5;
}

[data-theme="dark"] .eff-status-pill.status-low {
  background-color: #7f1d1d;
  color: #fecaca;
  border-color: #dc2626;
}

[data-theme="dark"] .eff-status-pill.status-healthy {
  background-color: #064e3b;
  color: #a7f3d0;
  border-color: #059669;
}

[data-theme="dark"] .eff-status-pill.status-normal {
  background-color: #1e3a8a;
  color: #bfdbfe;
  border-color: #2563eb;
}

/* ==========================================================================
   PROGRAM COVERAGE & COMPLETABILITY AUDIT DASHBOARD
   ========================================================================== */
.program-coverage-container {
  padding: 20px;
  background-color: var(--bg-surface);
  border-bottom: 2px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 16px;
  animation: fadeIn 0.2s ease-in-out;
}

.prog-coverage-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 14px;
}

.prog-coverage-title h3 {
  font-size: 17px;
  font-weight: 800;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.prog-coverage-title p {
  font-size: 12.5px;
  color: var(--text-muted);
  margin-top: 3px;
}

.prog-header-controls {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.prog-hero-card {
  background: var(--bg-surface-subtle);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.prog-hero-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.prog-hero-name {
  font-size: 16px;
  font-weight: 800;
  color: var(--chaffey-blue);
  display: flex;
  align-items: center;
  gap: 10px;
}

.prog-badge-degree {
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
  text-transform: uppercase;
}

.prog-badge-associate {
  background-color: #ede9fe;
  color: #6d28d9;
  border: 1px solid #ddd6fe;
}

.prog-badge-cert {
  background-color: #e0f2fe;
  color: #0369a1;
  border: 1px solid #bae6fd;
}

.prog-hero-status-pill {
  font-size: 12px;
  font-weight: 800;
  padding: 5px 12px;
  border-radius: 20px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.status-completable {
  background-color: #ecfdf5;
  color: #047857;
  border: 1px solid #a7f3d0;
}

.status-near {
  background-color: #fffbeb;
  color: #b45309;
  border: 1px solid #fde68a;
}

.status-partial {
  background-color: #eff6ff;
  color: #1d4ed8;
  border: 1px solid #bfdbfe;
}

.status-incomplete {
  background-color: #fef2f2;
  color: #b91c1c;
  border: 1px solid #fecaca;
}

.prog-progress-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
}

.prog-progress-bar-bg {
  flex: 1;
  height: 10px;
  background-color: var(--border-color);
  border-radius: 6px;
  overflow: hidden;
  position: relative;
}

.prog-progress-bar-fill {
  height: 100%;
  border-radius: 6px;
  transition: width 0.4s ease;
}

.fill-success { background: linear-gradient(90deg, #10b981, #059669); }
.fill-warning { background: linear-gradient(90deg, #f59e0b, #d97706); }
.fill-danger  { background: linear-gradient(90deg, #ef4444, #dc2626); }

.prog-progress-label {
  font-size: 13px;
  font-weight: 800;
  min-width: 45px;
  text-align: right;
  color: var(--text-primary);
}

.prog-summary-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

.prog-stat-card {
  background-color: var(--bg-surface-subtle);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: all 0.15s ease;
}

.prog-stat-card:hover {
  transform: translateY(-1px);
  border-color: var(--border-hover);
}

.prog-stat-card.alert-card {
  border-left: 4px solid var(--chaffey-red);
}

.prog-stat-card.opt-card {
  border-left: 4px solid #059669;
}

.prog-stat-card.highlight-card {
  border-left: 4px solid var(--chaffey-blue);
}

.prog-stat-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
}

.prog-stat-value {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-primary);
}

.prog-stat-sub {
  font-size: 11px;
  color: var(--text-secondary);
}

.prog-audit-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 10px;
}

.prog-audit-tabs {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.prog-tab-btn {
  background: var(--bg-surface-subtle);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-secondary);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.15s ease;
}

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

.prog-tab-btn.active {
  background-color: var(--chaffey-red);
  color: #ffffff;
  border-color: var(--chaffey-red);
}

.prog-tab-badge {
  background-color: rgba(0, 0, 0, 0.08);
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 10px;
  font-weight: 800;
}

.prog-tab-btn.active .prog-tab-badge {
  background-color: rgba(255, 255, 255, 0.25);
  color: #ffffff;
}

.prog-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 12px;
}

.prog-course-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.prog-course-card.card-missing {
  border-left: 4px solid #dc2626;
  background-color: #fffaf0;
}

.prog-course-card.card-scheduled {
  border-left: 4px solid #059669;
}

.prog-course-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.prog-course-code {
  font-size: 14px;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--text-primary);
}

.prog-course-status {
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 12px;
}

.status-missing-tag {
  background-color: #fee2e2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

.status-scheduled-tag {
  background-color: #d1fae5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.prog-action-box {
  background-color: rgba(220, 38, 38, 0.08);
  border: 1px solid rgba(220, 38, 38, 0.2);
  border-radius: 6px;
  padding: 8px 10px;
  font-size: 11.5px;
  color: #991b1b;
  line-height: 1.4;
}

.prog-action-box strong {
  font-weight: 700;
}

.prog-sections-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 4px;
}

.prog-section-row {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  padding: 6px 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 11.5px;
  gap: 8px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.prog-section-row:hover {
  background-color: var(--bg-hover);
  border-color: var(--chaffey-blue);
}

.prog-catalog-table-container {
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background-color: var(--bg-card);
}

.prog-catalog-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12.5px;
}

.prog-catalog-table th {
  background-color: var(--bg-surface-subtle);
  color: var(--text-secondary);
  font-weight: 700;
  text-align: left;
  padding: 10px 14px;
  border-bottom: 2px solid var(--border-color);
  font-size: 11px;
  text-transform: uppercase;
}

.prog-catalog-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
}

.prog-catalog-table tr:hover td {
  background-color: var(--bg-surface-subtle);
}

/* Dark Mode Overrides for Program Coverage */
[data-theme="dark"] .prog-badge-associate {
  background-color: #2e1065;
  color: #c4b5fd;
  border-color: #4c1d95;
}

[data-theme="dark"] .prog-badge-cert {
  background-color: #082f49;
  color: #7dd3fc;
  border-color: #0369a1;
}

[data-theme="dark"] .status-completable {
  background-color: #064e3b;
  color: #a7f3d0;
  border-color: #059669;
}

[data-theme="dark"] .status-near {
  background-color: #78350f;
  color: #fde68a;
  border-color: #b45309;
}

[data-theme="dark"] .status-partial {
  background-color: #1e3a8a;
  color: #bfdbfe;
  border-color: #2563eb;
}

[data-theme="dark"] .status-incomplete {
  background-color: #7f1d1d;
  color: #fecaca;
  border-color: #dc2626;
}

[data-theme="dark"] .prog-course-card.card-missing {
  background-color: rgba(127, 29, 29, 0.2);
}

[data-theme="dark"] .status-missing-tag {
  background-color: #7f1d1d;
  color: #fecaca;
  border-color: #dc2626;
}

[data-theme="dark"] .status-scheduled-tag {
  background-color: #064e3b;
  color: #a7f3d0;
  border-color: #059669;
}

[data-theme="dark"] .prog-action-box {
  background-color: rgba(127, 29, 29, 0.25);
  border-color: #7f1d1d;
  color: #fca5a5;
}

/* ==========================================================================
   PRINT OPTIMIZATION & VECTOR PDF STYLESHEET
   ========================================================================== */
.print-doc-header {
  display: none;
}

@page {
  size: landscape;
  margin: 0.35in 0.4in;
}

@media print {
  *,
  *::before,
  *::after {
    box-sizing: border-box;
  }

  html, body {
    height: auto !important;
    min-height: 100% !important;
    overflow: visible !important;
    background: #ffffff !important;
    color: #0f172a !important;
    font-family: var(--font-sans) !important;
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }

  .app-container,
  .app-workspace,
  .main-content,
  .schedule-grid-viewport {
    height: auto !important;
    min-height: 0 !important;
    max-height: none !important;
    overflow: visible !important;
    display: block !important;
    position: static !important;
    width: 100% !important;
    max-width: 100% !important;
    padding: 0 !important;
    margin: 0 !important;
    background: #ffffff !important;
  }

  /* Hide interactive web UI chrome, navigation sidebars, buttons, and popups */
  .app-header,
  .sidebar,
  #app-sidebar,
  .grid-controls-bar,
  .active-filters-bar,
  .conflict-alert-banner,
  .welcome-upload-hero,
  .drag-drop-overlay,
  .schedule-popover,
  .modal-backdrop,
  .export-toast,
  .sub-layout-switcher,
  .ge-header-controls,
  .prog-header-controls,
  .efficiency-audit-nav,
  .btn-sub-toggle-group,
  .btn-conflict-toggle,
  .conflict-mode-switcher,
  .button-group,
  .dropdown-menu,
  .btn,
  button,
  input[type="checkbox"],
  input[type="text"],
  select {
    display: none !important;
  }

  /* Dedicated Professional College Document Print Header */
  .print-doc-header {
    display: block !important;
    width: 100% !important;
    margin-bottom: 14px !important;
    padding-bottom: 10px !important;
    border-bottom: 2px solid #990000 !important;
    page-break-after: avoid !important;
    break-after: avoid !important;
  }

  .print-header-top {
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    margin-bottom: 8px !important;
  }

  .print-brand {
    display: flex !important;
    align-items: center !important;
    gap: 12px !important;
  }

  .print-crest {
    background-color: #990000 !important;
    color: #ffffff !important;
    font-weight: 800 !important;
    font-size: 16px !important;
    width: 34px !important;
    height: 34px !important;
    border-radius: 6px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }

  .print-title-text h1 {
    font-size: 17px !important;
    font-weight: 800 !important;
    color: #990000 !important;
    margin: 0 !important;
    letter-spacing: 0.5px !important;
    text-transform: uppercase !important;
  }

  .print-title-text h2 {
    font-size: 13.5px !important;
    font-weight: 700 !important;
    color: #0f172a !important;
    margin: 2px 0 0 0 !important;
  }

  .print-meta-row {
    display: flex !important;
    flex-wrap: wrap !important;
    gap: 14px !important;
    font-size: 11px !important;
    color: #334155 !important;
    background-color: #f8fafc !important;
    border: 1px solid #cbd5e1 !important;
    padding: 6px 12px !important;
    border-radius: 6px !important;
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }

  .print-meta-item strong {
    color: #0f172a !important;
  }

  /* Coverage & Audit Containers in Print */
  .ge-coverage-container,
  .evening-coverage-container,
  .fasttrack-coverage-container,
  .efficiency-container,
  .program-coverage-container {
    display: block !important;
    height: auto !important;
    overflow: visible !important;
    margin-bottom: 20px !important;
    padding: 0 !important;
    background: #ffffff !important;
  }

  .ge-coverage-header,
  .evening-coverage-header,
  .prog-coverage-header {
    border-bottom: 1.5px solid #cbd5e1 !important;
    padding-bottom: 8px !important;
    margin-bottom: 12px !important;
    page-break-after: avoid !important;
    break-after: avoid !important;
  }

  .ge-coverage-title h3,
  .evening-coverage-title h3,
  .prog-coverage-title h3 {
    font-size: 16px !important;
    color: #0f172a !important;
  }

  .ge-audit-summary-bar,
  .evening-summary-bar,
  .efficiency-summary-bar,
  .prog-audit-summary-bar {
    display: flex !important;
    flex-wrap: wrap !important;
    gap: 12px !important;
    background-color: #f8fafc !important;
    border: 1px solid #cbd5e1 !important;
    border-radius: 6px !important;
    padding: 8px 12px !important;
    margin-bottom: 14px !important;
    page-break-inside: avoid !important;
    break-inside: avoid !important;
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }

  .ge-areas-grid {
    display: grid !important;
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 8px !important;
    margin-bottom: 16px !important;
  }

  .ge-area-card {
    page-break-inside: avoid !important;
    break-inside: avoid !important;
    border: 1px solid #cbd5e1 !important;
    border-radius: 6px !important;
    padding: 8px 10px !important;
    background: #ffffff !important;
    box-shadow: none !important;
    font-size: 11px !important;
  }

  .ge-area-card.is-covered {
    border-left: 4px solid #10b981 !important;
    background-color: #f0fdf4 !important;
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }

  .ge-area-card.is-missing {
    border-left: 4px solid #ef4444 !important;
    background-color: #fef2f2 !important;
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }

  .ge-course-chip {
    background-color: #f1f5f9 !important;
    border: 1px solid #94a3b8 !important;
    color: #0f172a !important;
    font-size: 9px !important;
    padding: 2px 5px !important;
    border-radius: 3px !important;
    box-shadow: none !important;
    display: inline-block !important;
    margin: 2px !important;
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }

  /* Transition banner between Audit Area Cards and Classroom Grids */
  .ge-coverage-container::after {
    content: "— Scheduled Classroom Grids —";
    display: block;
    font-size: 12.5px;
    font-weight: 800;
    color: #990000;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin: 20px 0 12px 0;
    padding-bottom: 4px;
    border-bottom: 1.5px solid #cbd5e1;
    page-break-before: auto;
    break-before: auto;
    page-break-after: avoid;
    break-after: avoid;
  }

  .program-coverage-container::after {
    content: "— Program Scheduled Classroom Grids —";
    display: block;
    font-size: 12.5px;
    font-weight: 800;
    color: #990000;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin: 20px 0 12px 0;
    padding-bottom: 4px;
    border-bottom: 1.5px solid #cbd5e1;
    page-break-before: auto;
    break-before: auto;
    page-break-after: avoid;
    break-after: avoid;
  }

  .waitlist-coverage-container::after {
    content: "— Waitlist Audited Classroom Grids —";
    display: block;
    font-size: 12.5px;
    font-weight: 800;
    color: #990000;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin: 20px 0 12px 0;
    padding-bottom: 4px;
    border-bottom: 1.5px solid #cbd5e1;
    page-break-before: auto;
    break-before: auto;
    page-break-after: avoid;
    break-after: avoid;
  }

  /* Room Matrix & Schedule Grids */
  .room-matrix-stacked {
    display: block !important;
    height: auto !important;
    overflow: visible !important;
    width: 100% !important;
  }

  .room-matrix-card {
    page-break-inside: avoid !important;
    break-inside: avoid !important;
    margin-bottom: 22px !important;
    border: 1.5px solid #94a3b8 !important;
    border-radius: 8px !important;
    background: #ffffff !important;
    box-shadow: none !important;
    overflow: hidden !important;
  }

  .room-card-header {
    background-color: #f1f5f9 !important;
    border-bottom: 1.5px solid #cbd5e1 !important;
    padding: 6px 12px !important;
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }

  .room-code-badge {
    background-color: #990000 !important;
    color: #ffffff !important;
    font-weight: 800 !important;
    padding: 2px 8px !important;
    border-radius: 4px !important;
    font-size: 11px !important;
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }

  .room-calendar-grid-wrapper {
    overflow: visible !important;
    width: 100% !important;
  }

  .schedule-grid {
    min-width: 0 !important;
    width: 100% !important;
    overflow: visible !important;
    background: #ffffff !important;
    border-color: #cbd5e1 !important;
    page-break-inside: avoid !important;
    break-inside: avoid !important;
  }

  .grid-corner-cell,
  .grid-day-header,
  .grid-time-cell {
    position: static !important;
    background-color: #f8fafc !important;
    color: #334155 !important;
    border-color: #cbd5e1 !important;
    font-size: 9.5px !important;
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }

  .grid-cell {
    border-color: #e2e8f0 !important;
    background: #ffffff !important;
  }

  .schedule-tile {
    box-shadow: none !important;
    border-width: 1px !important;
    border-style: solid !important;
    font-size: 8.5px !important;
    line-height: 1.15 !important;
    padding: 2px 4px !important;
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
    color: #0f172a !important;
  }

  .type-lec {
    background-color: #ffe4e6 !important;
    border-color: #f43f5e !important;
    color: #881337 !important;
  }

  .type-lab {
    background-color: #e0f2fe !important;
    border-color: #0284c7 !important;
    color: #0369a1 !important;
  }

  .type-combo {
    background-color: #dcfce7 !important;
    border-color: #16a34a !important;
    color: #14532d !important;
  }

  .tile-course-code {
    color: #0f172a !important;
    font-weight: 800 !important;
    font-size: 9.5px !important;
  }

  .tile-sec-name, .tile-faculty, .tile-time {
    color: #334155 !important;
  }

  .prog-degree-audit-grid,
  .prog-courses-grid,
  .ft-pairings-grid,
  .efficiency-cards-grid,
  .waitlist-cohorts-grid {
    display: grid !important;
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 8px !important;
  }

  .prog-audit-card,
  .ft-pair-card,
  .eff-section-card,
  .efficiency-panel,
  .waitlist-cohort-card {
    page-break-inside: avoid !important;
    break-inside: avoid !important;
    border: 1px solid #cbd5e1 !important;
    background: #ffffff !important;
    box-shadow: none !important;
  }
}

/* ==========================================================================
   DASHBOARD BOTTOM GRID VIEW SWITCHER BAR
   Directly below the audit content and directly above schedule-grid views
   ========================================================================== */
.dashboard-grid-view-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 12px 18px;
  background-color: var(--bg-surface-subtle);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  margin-top: 14px;
}

.dashboard-grid-view-bar .grid-view-bar-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.dashboard-grid-view-bar .grid-view-bar-left svg {
  color: var(--chaffey-red);
  flex-shrink: 0;
}

.dashboard-grid-view-bar .grid-view-bar-title {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.25;
}

.dashboard-grid-view-bar .grid-view-bar-desc {
  font-size: 11.5px;
  color: var(--text-muted);
  margin-top: 1px;
}

/* ==========================================================================
   WAITLIST DEMAND & SEAT CAPACITY AUDIT DASHBOARD
   ========================================================================== */
.waitlist-coverage-container {
  padding: 20px;
  background-color: var(--bg-surface);
  border-bottom: 2px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.waitlist-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.waitlist-title h3 {
  font-size: 17px;
  font-weight: 800;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
}

.waitlist-title h3 span {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--chaffey-red);
}

.waitlist-title p {
  font-size: 12px;
  color: var(--text-muted);
  margin: 4px 0 0 0;
}

.waitlist-summary-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
}

.waitlist-stat-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

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

.waitlist-stat-card.stat-waitlist {
  border-left: 4px solid #ea580c;
  background: linear-gradient(135deg, rgba(255, 237, 213, 0.45) 0%, var(--bg-surface) 100%);
}

.waitlist-stat-card.stat-unmet {
  border-left: 4px solid #dc2626;
  background: linear-gradient(135deg, rgba(254, 242, 242, 0.5) 0%, var(--bg-surface) 100%);
}

.waitlist-stat-card.stat-action {
  border-left: 4px solid #059669;
  background: linear-gradient(135deg, rgba(209, 250, 229, 0.45) 0%, var(--bg-surface) 100%);
}

.waitlist-stat-card.stat-ftes {
  border-left: 4px solid #2563eb;
  background: linear-gradient(135deg, rgba(239, 246, 255, 0.5) 0%, var(--bg-surface) 100%);
}

.waitlist-stat-card.stat-absorb {
  border-left: 4px solid #0284c7;
  background: linear-gradient(135deg, rgba(240, 249, 255, 0.55) 0%, var(--bg-surface) 100%);
}

.waitlist-stat-card .eff-stat-card-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
}

.waitlist-stat-card .eff-stat-card-value {
  font-size: 22px;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.2;
}

.waitlist-stat-card .eff-stat-card-sub {
  font-size: 11px;
  color: var(--text-secondary);
}

.waitlist-audit-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-color);
}

.waitlist-audit-tabs {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.waitlist-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 700;
  border-radius: 6px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-surface-subtle);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s ease;
}

.waitlist-tab-btn:hover {
  background-color: var(--bg-surface-active);
  color: var(--text-primary);
}

.waitlist-tab-btn.active {
  background-color: var(--chaffey-red);
  border-color: var(--chaffey-red);
  color: #ffffff;
}

.waitlist-tab-badge {
  font-size: 10.5px;
  font-weight: 800;
  padding: 1px 6px;
  border-radius: 10px;
  background-color: rgba(0, 0, 0, 0.08);
}

.waitlist-tab-btn.active .waitlist-tab-badge {
  background-color: rgba(255, 255, 255, 0.25);
  color: #ffffff;
}

.waitlist-cohorts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(460px, 1fr));
  gap: 14px;
}

@media (max-width: 640px) {
  .waitlist-cohorts-grid {
    grid-template-columns: 1fr;
  }
}

.waitlist-cohort-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: var(--shadow-sm);
  transition: all 0.15s ease;
}

.waitlist-cohort-card:hover {
  box-shadow: var(--shadow-md);
  border-color: #cbd5e1;
}

.waitlist-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.waitlist-course-badge {
  font-size: 13px;
  font-weight: 800;
  color: var(--text-primary);
  font-family: var(--font-mono);
}

.waitlist-course-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
  margin-top: 2px;
  line-height: 1.3;
}

.waitlist-card-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}

.waitlist-tag {
  font-size: 10.5px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 4px;
  background-color: var(--bg-surface-subtle);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.waitlist-badge {
  font-size: 11px;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: 20px;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
  white-space: nowrap;
}

.waitlist-badge.badge-actionable {
  background-color: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.waitlist-badge.badge-absorb {
  background-color: #f0f9ff;
  color: #0369a1;
  border: 1px solid #bae6fd;
}

.waitlist-badge.badge-monitor {
  background-color: #fefce8;
  color: #854d0e;
  border: 1px solid #fef08a;
}

.waitlist-metrics-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  background-color: var(--bg-surface-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 8px 10px;
}

.waitlist-metric-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.waitlist-metric-lbl {
  font-size: 10px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
}

.waitlist-metric-val {
  font-size: 14px;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--text-primary);
}

.waitlist-gauge-container {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.waitlist-gauge-header {
  display: flex;
  justify-content: space-between;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-secondary);
}

.waitlist-gauge-track {
  height: 8px;
  background-color: var(--bg-surface-subtle);
  border-radius: 4px;
  overflow: hidden;
  display: flex;
  border: 1px solid var(--border-subtle);
}

.waitlist-gauge-demand {
  background-color: #dc2626;
  height: 100%;
}

.waitlist-gauge-supply {
  background-color: #059669;
  height: 100%;
}

.waitlist-reason-banner {
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 11.5px;
  line-height: 1.45;
  border-left: 3px solid transparent;
}

.waitlist-reason-banner.banner-actionable {
  background-color: #f0fdf4;
  border-left-color: #16a34a;
  color: #14532d;
  border: 1px solid #bbf7d0;
  border-left-width: 4px;
}

.waitlist-reason-banner.banner-absorb {
  background-color: #f0f9ff;
  border-left-color: #0284c7;
  color: #0c4a6e;
  border: 1px solid #bae6fd;
  border-left-width: 4px;
}

.waitlist-reason-banner.banner-monitor {
  background-color: #fffbeb;
  border-left-color: #d97706;
  color: #78350f;
  border: 1px solid #fde68a;
  border-left-width: 4px;
}

.waitlist-toggle-sections {
  background: none;
  border: 1px dashed var(--border-color);
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 11.5px;
  font-weight: 700;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: all 0.15s ease;
}

.waitlist-toggle-sections:hover {
  background-color: var(--bg-surface-subtle);
  color: var(--text-primary);
  border-style: solid;
}

.waitlist-sections-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 11px;
  margin-top: 6px;
}

.waitlist-sections-table th,
.waitlist-sections-table td {
  padding: 5px 8px;
  border-bottom: 1px solid var(--border-subtle);
  text-align: left;
}

.waitlist-sections-table th {
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  font-size: 9.5px;
  background-color: var(--bg-surface-subtle);
}

.waitlist-sections-table tr:hover td {
  background-color: var(--bg-surface-subtle);
  cursor: pointer;
}

/* Dark theme overrides for waitlist audit */
[data-theme="dark"] .waitlist-stat-card.stat-waitlist {
  background: linear-gradient(135deg, rgba(154, 52, 18, 0.3) 0%, var(--bg-surface) 100%);
}

[data-theme="dark"] .waitlist-stat-card.stat-unmet {
  background: linear-gradient(135deg, rgba(153, 27, 27, 0.3) 0%, var(--bg-surface) 100%);
}

[data-theme="dark"] .waitlist-stat-card.stat-action {
  background: linear-gradient(135deg, rgba(6, 78, 59, 0.3) 0%, var(--bg-surface) 100%);
}

[data-theme="dark"] .waitlist-stat-card.stat-ftes {
  background: linear-gradient(135deg, rgba(30, 58, 138, 0.3) 0%, var(--bg-surface) 100%);
}

[data-theme="dark"] .waitlist-stat-card.stat-absorb {
  background: linear-gradient(135deg, rgba(7, 89, 133, 0.3) 0%, var(--bg-surface) 100%);
}

[data-theme="dark"] .waitlist-badge.badge-actionable {
  background-color: rgba(6, 78, 59, 0.4);
  color: #6ee7b7;
  border-color: #065f46;
}

[data-theme="dark"] .waitlist-badge.badge-absorb {
  background-color: rgba(7, 89, 133, 0.4);
  color: #7dd3fc;
  border-color: #0284c7;
}

[data-theme="dark"] .waitlist-badge.badge-monitor {
  background-color: rgba(113, 63, 18, 0.4);
  color: #fde047;
  border-color: #854d0e;
}

[data-theme="dark"] .waitlist-reason-banner.banner-actionable {
  background-color: #064e3b;
  border-color: #047857;
  color: #d1fae5;
}

[data-theme="dark"] .waitlist-reason-banner.banner-absorb {
  background-color: #082f49;
  border-color: #0369a1;
  color: #e0f2fe;
}

[data-theme="dark"] .waitlist-reason-banner.banner-monitor {
  background-color: #451a03;
  border-color: #92400e;
  color: #fef3c7;
}