/* ============================================
   Zyqual Design System
   Modern purple gradient theme with utilities
   ============================================ */

/* Color Palette - CSS Variables */
:root {
  /* Primary Purple Palette */
  --zyqual-primary-50: #f3e5f5;
  --zyqual-primary-100: #e1bee7;
  --zyqual-primary-200: #ce93d8;
  --zyqual-primary-300: #ba68c8;
  --zyqual-primary-400: #ab47bc;
  --zyqual-primary-500: #9c27b0;
  --zyqual-primary-600: #8e24aa;
  --zyqual-primary-700: #7b1fa2;
  --zyqual-primary-800: #6a1b9a;
  --zyqual-primary-900: #4a148c;
  --zyqual-primary-950: #38006b;

  /* Secondary Purple Palette */
  --zyqual-secondary-50: #faf5ff;
  --zyqual-secondary-100: #f3e8ff;
  --zyqual-secondary-200: #e9d5ff;
  --zyqual-secondary-300: #d8b4fe;
  --zyqual-secondary-400: #c084fc;
  --zyqual-secondary-500: #a855f7;
  --zyqual-secondary-600: #9333ea;
  --zyqual-secondary-700: #7e22ce;
  --zyqual-secondary-800: #6b21a8;
  --zyqual-secondary-900: #581c87;
  --zyqual-secondary-950: #3b0764;

  /* Accent Colors */
  --zyqual-accent-yellow: #ffeb3b;
  --zyqual-accent-yellow-dark: #fdd835;

  /* ── Unified Semantic Tokens (zq- short prefix) ── */

  /* Core Semantic Colours */
  --zq-primary: #4a148c;
  --zq-primary-light: #7b1fa2;
  --zq-primary-soft: #efe9f6;
  --zq-secondary: #1B5062;
  --zq-accent: #ffeb3b;
  --zq-text: #2e2e2e;
  --zq-text-muted: #6b7280;
  --zq-bg: #f8fafc;
  --zq-card-bg: #ffffff;
  --zq-card-border: rgba(0, 0, 0, 0.06);
  --zq-border-soft: #e5e7eb;

  /* Status Colours */
  --zq-success: #4caf50;
  --zq-success-light: #e8f5e9;
  --zq-warning: #ff9800;
  --zq-warning-light: #fff3e0;
  --zq-danger: #f44336;
  --zq-danger-light: #ffebee;
  --zq-info: #2196f3;
  --zq-info-light: #e3f2fd;

  /* Dashboard Accent Palette */
  --zq-teal: #1B5062;
  --zq-teal-light: #e0f2f1;
  --zq-indigo: #3f51b5;
  --zq-orange: #ff9800;
  --zq-cyan: #00bcd4;
  --zq-pink: #e91e63;

  /* Spacing Scale (8px grid) */
  --zq-space-xs: 4px;
  --zq-space-sm: 8px;
  --zq-space-md: 16px;
  --zq-space-lg: 24px;
  --zq-space-xl: 32px;
  --zq-space-2xl: 48px;

  /* Typography */
  --zq-font-family: 'Inter', system-ui, -apple-system, sans-serif;
  --zq-font-size-xs: 11px;
  --zq-font-size-sm: 13px;
  --zq-font-size-base: 14px;
  --zq-font-size-lg: 16px;
  --zq-font-size-xl: 20px;
  --zq-font-size-2xl: 24px;
  --zq-font-size-3xl: 32px;
  --zq-font-size-4xl: 40px;

  /* Elevation (Shadows) */
  --zq-shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
  --zq-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --zq-shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --zq-shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
  --zq-shadow-xl: 0 16px 30px rgba(0, 0, 0, 0.14);

  /* Border Radius */
  --zq-radius-sm: 6px;
  --zq-radius-md: 10px;
  --zq-radius-lg: 14px;
  --zq-radius-xl: 20px;
  --zq-radius-pill: 50px;
  --zq-radius-circle: 50%;

  /* Transitions */
  --zq-transition-fast: 0.15s ease;
  --zq-transition-normal: 0.25s ease;
  --zq-transition-slow: 0.4s ease;

  /* Gradients */
  --zyqual-gradient-header: linear-gradient(to right, #2e2e2e, #4a148c);
  --zyqual-gradient-footer: linear-gradient(to right, #2e2e2e, #4a148c);
  --zyqual-gradient-hero: radial-gradient(circle at top left, rgba(14, 165, 233, 0.18), transparent 55%),
    radial-gradient(circle at top right, rgba(147, 51, 234, 0.14), transparent 60%),
    linear-gradient(180deg, rgba(248, 250, 252, 0.6), rgba(255, 255, 255, 0.95));
  --zyqual-gradient-shell: radial-gradient(circle at 15% 10%, rgba(14, 165, 233, 0.12), transparent 45%),
    radial-gradient(circle at 85% 0%, rgba(147, 51, 234, 0.12), transparent 40%),
    linear-gradient(180deg, #f8fafc 0%, #f9fafb 45%, #f3f4f6 100%);
  --zq-gradient-brand: linear-gradient(135deg, #4a148c, #1B5062);
}

/* Typography */
body.zyqual-modern {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

/* Header Gradient Styles */
.zyqual-header-gradient {
  background: var(--zyqual-gradient-header) !important;
  color: white !important;
}

.zyqual-header-gradient .navbar-brand,
.zyqual-header-gradient a {
  color: white !important;
}

.zyqual-header-gradient .material-icons {
  color: white !important;
}

/* Footer Gradient Styles */
.zyqual-footer-gradient {
  background: var(--zyqual-gradient-footer) !important;
  color: white !important;
}

.zyqual-footer-gradient a {
  color: #e0e0e0 !important;
  transition: color 0.3s ease;
}

.zyqual-footer-gradient a:hover {
  color: white !important;
}

/* Yellow Accent Button */
.zyqual-btn-yellow {
  background-color: var(--zyqual-accent-yellow) !important;
  color: #000 !important;
  border: none !important;
  font-weight: 500;
  transition: background-color 0.3s ease, transform 0.2s ease;
}

.zyqual-btn-yellow:hover {
  background-color: var(--zyqual-accent-yellow-dark) !important;
  color: #000 !important;
  transform: translateY(-1px);
}

/* Yellow Accent Icon Buttons */
.zyqual-icon-yellow {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--zyqual-accent-yellow);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #000;
  transition: background-color 0.3s ease, transform 0.2s ease;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.zyqual-icon-yellow:hover {
  background-color: var(--zyqual-accent-yellow-dark);
  transform: scale(1.05);
}

.zyqual-icon-yellow .material-icons {
  color: #000 !important;
  font-size: 20px;
}

/* Utility Classes */
.zyqual-hero-gradient {
  background: var(--zyqual-gradient-hero);
}

.zyqual-shell-gradient {
  background: var(--zyqual-gradient-shell);
}

/* Dropdown Improvements for Header */
.zyqual-header-gradient .dropdown-menu {
  background: white;
  color: #333;
  border: 1px solid rgba(0, 0, 0, 0.1);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.zyqual-header-gradient .dropdown-menu a {
  color: #333 !important;
}

.zyqual-header-gradient .dropdown-menu a:hover {
  background-color: #f5f5f5;
}

/* User Profile Dropdown - Zyqual feel (MenuSelection, etc.) */
.zyqual-ui .menu-user-info .dropdown-menu,
.zyqual-header-gradient .menu-user-info .dropdown-menu {
  background: #f8f5fc !important;
  border: 1px solid rgba(74, 20, 140, 0.15);
  border-top: 2px solid #4a148c;
  box-shadow: 0 4px 16px rgba(74, 20, 140, 0.15);
}

.zyqual-ui .menu-user-info .dropdown-menu a,
.zyqual-header-gradient .menu-user-info .dropdown-menu a {
  color: #2e2e2e !important;
}

.zyqual-ui .menu-user-info .dropdown-menu a:hover,
.zyqual-header-gradient .menu-user-info .dropdown-menu a:hover {
  background-color: #efe9f6 !important;
  color: #4a148c !important;
}

.zyqual-ui .menu-user-info .dropdown-menu .divider,
.zyqual-header-gradient .menu-user-info .dropdown-menu .divider {
  background-color: #e0d4ed;
}

.zyqual-ui .menu-user-info .dropdown-menu a i.material-icons,
.zyqual-header-gradient .menu-user-info .dropdown-menu a i.material-icons {
  color: #4a148c;
  margin-right: 8px;
}

.zyqual-ui .menu-user-info .dropdown-menu a:hover i.material-icons,
.zyqual-header-gradient .menu-user-info .dropdown-menu a:hover i.material-icons {
  color: #3a0f6c;
}

.zyqual-header-gradient .label-count {
  background-color: var(--zyqual-accent-yellow);
  color: #000;
  font-weight: 600;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .zyqual-icon-yellow {
    width: 32px;
    height: 32px;
  }

  .zyqual-icon-yellow .material-icons {
    font-size: 18px;
  }
}

/* Footer Social Icons */
.zyqual-footer-social {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 4px;
  transition: opacity 0.3s ease;
}

.zyqual-footer-social:hover {
  opacity: 0.8;
}

/* Modern Card Styles */
.zyqual-card-modern {
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  border: 1px solid rgba(0, 0, 0, 0.06);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.zyqual-card-modern:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
  transform: translateY(-2px);
}

/* Smooth Transitions */
* {
  transition-property: background-color, color, border-color, opacity, transform;
  transition-duration: 0.2s;
  transition-timing-function: ease;
}

/* Override for elements that shouldn't transition */
input,
textarea,
select,
button {
  transition-property: background-color, border-color, box-shadow;
}

/* Glass Icon Buttons (for dark headers) */
.zyqual-icon-glass {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.15);
  /* Semi-transparent white */
  backdrop-filter: blur(4px);
  /* Glass effect */
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  transition: background-color 0.3s ease, transform 0.2s ease;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.zyqual-icon-glass:hover {
  background-color: rgba(255, 255, 255, 0.25);
  transform: scale(1.05);
}

.zyqual-icon-glass .material-icons,
.zyqual-icon-glass .zyqual-icon-emoji-inner {
  color: #fff !important;
  font-size: 20px;
}

/* Subtle Observation Section Styling */
:root {
  --zyq-purple-soft: rgba(122, 78, 163, 0.04);
  --zyq-purple-border: rgba(122, 78, 163, 0.15);
  --zyq-purple-hover: rgba(122, 78, 163, 0.07);
}

.observation-card {
  background: var(--zyq-purple-soft) !important;
  border: 1px solid var(--zyq-purple-border) !important;
  border-radius: 10px;
  padding: 16px 18px;
  margin-bottom: 14px;
  transition: background 0.2s ease;
}

.observation-card:hover {
  background: var(--zyq-purple-hover) !important;
}

/* ── Observation Card Button Colours (Zyqual brand) ── */
.obs-btn-start {
  background-color: var(--zq-primary-light, #7b1fa2) !important;
  border-color: var(--zq-primary-light, #7b1fa2) !important;
  color: #fff !important;
}
.obs-btn-start:hover, .obs-btn-start:focus {
  background-color: #6a1b9a !important;
  border-color: #6a1b9a !important;
  color: #fff !important;
}

.obs-btn-download {
  background-color: var(--zq-teal, #1B5062) !important;
  border-color: var(--zq-teal, #1B5062) !important;
  color: #fff !important;
}
.obs-btn-download:hover, .obs-btn-download:focus {
  background-color: #153d4c !important;
  border-color: #153d4c !important;
  color: #fff !important;
}

.obs-btn-invite {
  background-color: var(--zq-warning, #ff9800) !important;
  border-color: var(--zq-warning, #ff9800) !important;
  color: #fff !important;
}
.obs-btn-invite:hover, .obs-btn-invite:focus {
  background-color: #e68a00 !important;
  border-color: #e68a00 !important;
  color: #fff !important;
}

/* ── Observation Card: Mobile Responsive ── */
@media (max-width: 991px) {
  .observation-card .text-right {
    text-align: center;
    margin-top: 10px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
  }

  .observation-card .col-md-4.text-center {
    text-align: center;
    margin-top: 4px;
    margin-bottom: 4px;
  }

  .observation-card .row:last-of-type [class*="col-md"] {
    text-align: left !important;
    margin-top: 2px;
  }
}

@media (max-width: 480px) {
  .observation-card .text-right {
    flex-direction: column;
    align-items: stretch;
  }

  .observation-card .text-right .btn {
    text-align: center;
  }
}

/* Section Header Styling - Matches Observation Cards */
.zyqual-ui .zyqual-section-list .panel-heading.section-card,
.section-card {
  background: var(--zyq-purple-soft) !important;
  border: 1px solid var(--zyq-purple-border) !important;
  border-radius: 10px !important;
  padding: 14px 18px !important;
  /* Slightly less padding than observation cards */
  margin-bottom: 12px;
  transition: background 0.2s ease;
  cursor: pointer;
  /* Interaction hint */
}

.zyqual-ui .zyqual-section-list .panel-heading.section-card:hover,
.section-card:hover {
  background: var(--zyq-purple-hover) !important;
}

/* Ensure title inside doesn't have weird margins */
.zyqual-ui .zyqual-section-list .panel-heading.section-card .panel-title,
.section-card .panel-title {
  margin: 0;
  font-size: 16px;
  font-weight: 500;
}

.zyqual-ui .zyqual-section-list .panel-heading.section-card .panel-title a,
.section-card .panel-title a {
  display: block;
  /* Make whole area clickable if wrapped properly */
  text-decoration: none;
  color: #333;
  padding: 0 !important;
  /* Override theme padding */
}

/* Fix the Plus Symbol positioning for this specific card style */
.zyqual-ui .zyqual-section-list .panel-heading.section-card .panel-title a span {
  right: 0 !important;
  /* Adjust if needed */
}

/* ============================================
   Reusable Component Classes
   ============================================ */

/* ── KPI Card ── */
.zq-kpi-card {
  background: var(--zq-card-bg);
  border-radius: var(--zq-radius-md);
  box-shadow: var(--zq-shadow-sm);
  border: 1px solid var(--zq-card-border);
  border-left: 4px solid var(--zq-teal);
  padding: var(--zq-space-lg) var(--zq-space-md);
  transition: box-shadow var(--zq-transition-normal), transform var(--zq-transition-normal);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.zq-kpi-card:hover {
  box-shadow: var(--zq-shadow-md);
  transform: translateY(-2px);
}

/* KPI colour modifiers */
.zq-kpi--purple  { border-left-color: var(--zq-primary); }
.zq-kpi--teal    { border-left-color: var(--zq-teal); }
.zq-kpi--green   { border-left-color: var(--zq-success); }
.zq-kpi--orange  { border-left-color: var(--zq-orange); }
.zq-kpi--red     { border-left-color: var(--zq-danger); }
.zq-kpi--blue    { border-left-color: var(--zq-info); }
.zq-kpi--indigo  { border-left-color: var(--zq-indigo); }
.zq-kpi--cyan    { border-left-color: var(--zq-cyan); }
.zq-kpi--pink    { border-left-color: var(--zq-pink); }

/* ── Stat Value (large number display) ── */
.zq-stat-value {
  font-size: var(--zq-font-size-3xl);
  font-weight: 700;
  line-height: 1.1;
  color: var(--zq-text);
  text-align: center;
  margin: var(--zq-space-sm) 0;
}

.zq-stat-value--sm { font-size: var(--zq-font-size-2xl); }
.zq-stat-value--lg { font-size: var(--zq-font-size-4xl); }

/* Colour variants matching KPI cards */
.zq-kpi--purple .zq-stat-value  { color: var(--zq-primary); }
.zq-kpi--teal .zq-stat-value    { color: var(--zq-teal); }
.zq-kpi--green .zq-stat-value   { color: var(--zq-success); }
.zq-kpi--orange .zq-stat-value  { color: var(--zq-orange); }
.zq-kpi--red .zq-stat-value     { color: var(--zq-danger); }
.zq-kpi--blue .zq-stat-value    { color: var(--zq-info); }

/* ── Stat Label ── */
.zq-stat-label {
  font-size: var(--zq-font-size-sm);
  color: var(--zq-text-muted);
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 500;
  margin: 0;
}

/* ── KPI Header (icon + title row) ── */
.zq-kpi-header {
  display: flex;
  align-items: center;
  gap: var(--zq-space-sm);
  margin-bottom: var(--zq-space-sm);
}

.zq-kpi-header i.material-icons {
  font-size: 20px;
  color: var(--zq-text-muted);
}

.zq-kpi-header span {
  font-size: var(--zq-font-size-sm);
  color: var(--zq-text-muted);
  font-weight: 500;
}

/* ── Trend Indicator ── */
.zq-trend {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  font-size: var(--zq-font-size-xs);
  font-weight: 600;
  padding: 2px 6px;
  border-radius: var(--zq-radius-pill);
}

.zq-trend--up {
  color: var(--zq-success);
  background: var(--zq-success-light);
}

.zq-trend--down {
  color: var(--zq-danger);
  background: var(--zq-danger-light);
}

.zq-trend--flat {
  color: var(--zq-text-muted);
  background: #f3f4f6;
}

.zq-trend i.material-icons {
  font-size: 14px;
}

/* ── Badges ── */
.zq-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: var(--zq-radius-pill);
  font-size: var(--zq-font-size-xs);
  font-weight: 600;
  letter-spacing: 0.3px;
  line-height: 1.4;
}

.zq-badge--success { background: var(--zq-success-light); color: var(--zq-success); }
.zq-badge--warning { background: var(--zq-warning-light); color: #e65100; }
.zq-badge--danger  { background: var(--zq-danger-light); color: var(--zq-danger); }
.zq-badge--info    { background: var(--zq-info-light); color: var(--zq-info); }
.zq-badge--purple  { background: var(--zq-primary-soft); color: var(--zq-primary); }
.zq-badge--teal    { background: var(--zq-teal-light); color: var(--zq-teal); }

/* ── Modern Table ── */
.zq-table-modern {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: var(--zq-font-size-base);
}

.zq-table-modern thead th {
  background: #f9fafb;
  color: var(--zq-text-muted);
  font-weight: 600;
  font-size: var(--zq-font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: var(--zq-space-sm) var(--zq-space-md);
  border-bottom: 2px solid var(--zq-border-soft);
  white-space: nowrap;
}

.zq-table-modern tbody td {
  padding: var(--zq-space-sm) var(--zq-space-md);
  border-bottom: 1px solid #f3f4f6;
  vertical-align: middle;
  color: var(--zq-text);
}

.zq-table-modern tbody tr:hover td {
  background: rgba(74, 20, 140, 0.02);
}

.zq-table-modern tbody tr:last-child td {
  border-bottom: none;
}

/* ── Button System ── */
.zq-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--zq-space-xs);
  padding: var(--zq-space-sm) var(--zq-space-md);
  border-radius: var(--zq-radius-sm);
  font-size: var(--zq-font-size-base);
  font-weight: 500;
  font-family: var(--zq-font-family);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--zq-transition-fast);
  text-decoration: none;
  line-height: 1.4;
}

.zq-btn:hover { transform: translateY(-1px); box-shadow: var(--zq-shadow-sm); }
.zq-btn:active { transform: translateY(0); }

.zq-btn--primary {
  background: var(--zq-primary);
  color: #fff;
  border-color: var(--zq-primary);
}
.zq-btn--primary:hover { background: var(--zq-primary-light); color: #fff; }

.zq-btn--secondary {
  background: var(--zq-secondary);
  color: #fff;
  border-color: var(--zq-secondary);
}

.zq-btn--outline {
  background: transparent;
  color: var(--zq-primary);
  border-color: var(--zq-primary);
}
.zq-btn--outline:hover { background: var(--zq-primary-soft); color: var(--zq-primary); }

.zq-btn--ghost {
  background: transparent;
  color: var(--zq-text-muted);
  border-color: transparent;
}
.zq-btn--ghost:hover { background: #f3f4f6; color: var(--zq-text); }

.zq-btn--sm { padding: 4px 10px; font-size: var(--zq-font-size-sm); }
.zq-btn--lg { padding: 12px 24px; font-size: var(--zq-font-size-lg); }

/* ── Section Card (content wrapper) ── */
.zq-section-card {
  background: var(--zq-card-bg);
  border-radius: var(--zq-radius-md);
  box-shadow: var(--zq-shadow-sm);
  border: 1px solid var(--zq-card-border);
  padding: var(--zq-space-lg);
  margin-bottom: var(--zq-space-md);
}

.zq-section-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--zq-space-md);
  padding-bottom: var(--zq-space-sm);
  border-bottom: 1px solid var(--zq-border-soft);
}

.zq-section-card__title {
  font-size: var(--zq-font-size-lg);
  font-weight: 600;
  color: var(--zq-text);
  margin: 0;
}

/* ── KPI Grid ── */
.zq-kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: var(--zq-space-md);
  margin-bottom: var(--zq-space-lg);
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

@media (max-width: 768px) {
  .zq-kpi-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--zq-space-sm);
  }
}

@media (max-width: 480px) {
  .zq-kpi-grid {
    grid-template-columns: 1fr;
  }
}

/* ── Premium Calendar Button ── */
.zq-btn-calendar {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  background: linear-gradient(135deg, var(--zq-primary, #4a148c), #6a1b9a);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  border-radius: 10px;
  text-decoration: none;
  border: none;
  box-shadow: 0 2px 8px rgba(74, 20, 140, 0.3);
  transition: all 0.2s ease;
  white-space: nowrap;
  cursor: pointer;
}

.zq-btn-calendar:hover,
.zq-btn-calendar:focus {
  background: linear-gradient(135deg, #6a1b9a, #8e24aa);
  box-shadow: 0 4px 16px rgba(74, 20, 140, 0.4);
  transform: translateY(-1px);
  color: #fff;
  text-decoration: none;
}

.zq-btn-calendar .material-icons {
  font-size: 18px;
}

@media (max-width: 480px) {
  .zq-btn-calendar {
    padding: 8px 16px;
    font-size: 13px;
    gap: 6px;
  }
  .zq-btn-calendar .material-icons {
    font-size: 16px;
  }
}

/* ── Observation Header (responsive flex) ── */
.zq-obs-header {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

@media (max-width: 576px) {
  .zq-obs-header {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ── Empty State ── */
.zq-empty-state {
  text-align: center;
  padding: var(--zq-space-2xl) var(--zq-space-lg);
  color: var(--zq-text-muted);
}

.zq-empty-state i.material-icons {
  font-size: 48px;
  color: var(--zq-border-soft);
  margin-bottom: var(--zq-space-md);
}

.zq-empty-state h4 {
  font-size: var(--zq-font-size-lg);
  font-weight: 600;
  color: var(--zq-text);
  margin-bottom: var(--zq-space-xs);
}

.zq-empty-state p {
  font-size: var(--zq-font-size-base);
}

/* ── Timeline ── */
.zq-timeline {
  position: relative;
  padding-left: 28px;
}

.zq-timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 4px;
  bottom: 4px;
  width: 2px;
  background: var(--zq-border-soft);
}

.zq-timeline-item {
  position: relative;
  padding-bottom: var(--zq-space-lg);
}

.zq-timeline-item::before {
  content: '';
  position: absolute;
  left: -22px;
  top: 6px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--zq-primary);
  border: 2px solid #fff;
  box-shadow: 0 0 0 2px var(--zq-primary-soft);
}

.zq-timeline-item--success::before { background: var(--zq-success); box-shadow: 0 0 0 2px var(--zq-success-light); }
.zq-timeline-item--warning::before { background: var(--zq-warning); box-shadow: 0 0 0 2px var(--zq-warning-light); }
.zq-timeline-item--danger::before  { background: var(--zq-danger); box-shadow: 0 0 0 2px var(--zq-danger-light); }

.zq-timeline-date {
  font-size: var(--zq-font-size-xs);
  color: var(--zq-text-muted);
  margin-bottom: 2px;
}

.zq-timeline-content {
  font-size: var(--zq-font-size-base);
  color: var(--zq-text);
}

/* Dynamic dot (when colour is set via JS instead of ::before) */
.zq-timeline-dot {
  position: absolute;
  left: -22px;
  top: 6px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--zq-primary);
  border: 2px solid #fff;
  box-shadow: 0 0 0 2px rgba(74, 20, 140, 0.15);
  z-index: 1;
}

/* Hide ::before dot when .zq-timeline-dot is present */
.zq-timeline-item:has(.zq-timeline-dot)::before {
  display: none;
}

.zq-timeline-meta {
  font-size: var(--zq-font-size-xs, 11px);
  color: var(--zq-text-muted, #888);
  margin-bottom: 4px;
}

.zq-timeline-title {
  font-size: var(--zq-font-size-base, 14px);
  font-weight: 600;
  color: var(--zq-text, #2e2e2e);
  margin-bottom: 4px;
}

.zq-timeline-detail {
  font-size: var(--zq-font-size-sm, 13px);
  color: var(--zq-text-muted, #888);
  margin-top: 2px;
}

/* ── Utility Helpers ── */
.zq-text-muted { color: var(--zq-text-muted) !important; }
.zq-text-primary { color: var(--zq-primary) !important; }
.zq-text-success { color: var(--zq-success) !important; }
.zq-text-danger { color: var(--zq-danger) !important; }
.zq-text-warning { color: var(--zq-warning) !important; }

.zq-mb-0 { margin-bottom: 0 !important; }
.zq-mb-sm { margin-bottom: var(--zq-space-sm) !important; }
.zq-mb-md { margin-bottom: var(--zq-space-md) !important; }
.zq-mb-lg { margin-bottom: var(--zq-space-lg) !important; }

.zq-mt-0 { margin-top: 0 !important; }
.zq-mt-sm { margin-top: var(--zq-space-sm) !important; }
.zq-mt-md { margin-top: var(--zq-space-md) !important; }
.zq-mt-lg { margin-top: var(--zq-space-lg) !important; }

.zq-p-md { padding: var(--zq-space-md) !important; }
.zq-p-lg { padding: var(--zq-space-lg) !important; }

/* ── Entrance Animations ── */
@keyframes zqFadeInUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

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

.zq-animate-in {
  animation: zqFadeInUp 0.4s ease both;
}

.zq-animate-fade {
  animation: zqFadeIn 0.3s ease both;
}

/* ── Dark Mode Token Preparation ──────────────────────────────── */
/* Toggle via [data-theme="dark"] on <body> — no JS toggle yet    */
[data-theme="dark"] {
  --zq-primary: #bb86fc;
  --zq-primary-light: #ce93d8;
  --zq-primary-soft: #2d1b3e;
  --zq-teal: #80cbc4;
  --zq-gradient-brand: linear-gradient(135deg, #1e0a2e, #1a3a3a);

  --zq-bg-body: #121212;
  --zq-bg-card: #1e1e1e;
  --zq-bg-surface: #2c2c2c;
  --zq-text-primary: #e0e0e0;
  --zq-text-secondary: #b0b0b0;
  --zq-text-muted: #808080;

  --zq-shadow-sm: 0 2px 8px rgba(0,0,0,.25);
  --zq-shadow-md: 0 4px 16px rgba(0,0,0,.35);
  --zq-shadow-lg: 0 8px 32px rgba(0,0,0,.45);
}


/* ==========================================================================
   OBSERVATION SLIDER SCORING SYSTEM
   Classic/Modern view toggle + slider input + grade descriptor badges
   ========================================================================== */

/* --- View Toggle Button Group --- */
#scoringViewToggle {
  border: 2px solid var(--zq-primary, #4a148c);
  border-radius: 6px;
  overflow: hidden;
  display: inline-flex;
}

#scoringViewToggle .btn {
  border: none;
  border-radius: 0;
  padding: 8px 18px;
  font-weight: 600;
  font-size: 13px;
  transition: all 0.2s ease;
}

#scoringViewToggle .btn.active,
#scoringViewToggle .btn.active:hover,
#scoringViewToggle .btn.active:focus {
  background-color: #4a148c !important;
  color: #fff !important;
  border-color: #4a148c !important;
}

#scoringViewToggle .btn:not(.active),
#scoringViewToggle .btn:not(.active):hover,
#scoringViewToggle .btn:not(.active):focus {
  background-color: #fff !important;
  color: #4a148c !important;
}

#scoringViewToggle .btn.active .material-icons {
  color: #fff !important;
}

#scoringViewToggle .btn:not(.active) .material-icons {
  color: #4a148c !important;
}

/* --- Slider Row Layout --- */
.zq-slider-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 6px 0;
}

.zq-slider-info {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.zq-slider-percentage {
  font-size: 18px;
  font-weight: 700;
  color: var(--zq-text, #2e2e2e);
  min-width: 44px;
}

.zq-slider-grade {
  display: inline-block;
  padding: 3px 12px;
  border-radius: 50px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.3px;
  text-transform: uppercase;
  transition: all 0.2s ease;
  background-color: #f3f4f6;
  color: #6b7280;
}

/* --- Slider Track Wrapper --- */
.zq-slider-track-wrap {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
}

.zq-slider-value {
  font-size: 15px;
  font-weight: 700;
  color: var(--zq-primary, #4a148c);
  min-width: 40px;
  text-align: center;
  white-space: nowrap;
}

/* --- HTML5 Range Input — Cross-browser Styling --- */
.zq-slider-input {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  min-width: 0;
  flex: 1 1 0;
  height: 12px;
  border-radius: 6px;
  background: #d0d0d0;
  outline: none;
  cursor: pointer;
  margin: 8px 0;
  padding: 0;
}

/* Webkit (Chrome, Safari, Edge) — explicit track styling */
.zq-slider-input::-webkit-slider-runnable-track {
  height: 12px;
  border-radius: 6px;
  background: inherit;
}

.zq-slider-input::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--zq-primary, #4a148c);
  cursor: pointer;
  border: 3px solid #fff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  margin-top: -8px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.zq-slider-input::-webkit-slider-thumb:hover {
  transform: scale(1.15);
  box-shadow: 0 3px 12px rgba(0, 0, 0, 0.4);
}

.zq-slider-input::-webkit-slider-thumb:active {
  transform: scale(1.05);
}

/* Firefox — track + thumb */
.zq-slider-input::-moz-range-track {
  height: 12px;
  border-radius: 6px;
  background: #d0d0d0;
  border: none;
}

.zq-slider-input::-moz-range-thumb {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--zq-primary, #4a148c);
  cursor: pointer;
  border: 3px solid #fff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

/* IE/Edge legacy */
.zq-slider-input::-ms-track {
  height: 12px;
  border-radius: 6px;
  background: #d0d0d0;
  border: none;
  color: transparent;
}

.zq-slider-input::-ms-thumb {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--zq-primary, #4a148c);
  cursor: pointer;
  border: 3px solid #fff;
}

.zq-slider-input::-ms-fill-lower {
  border-radius: 6px;
}

.zq-slider-input::-ms-fill-upper {
  border-radius: 6px;
}

/* --- Responsive: Mobile (larger touch target) --- */
@media (max-width: 768px) {
  .zq-slider-input {
    height: 14px;
    border-radius: 7px;
  }

  .zq-slider-input::-webkit-slider-runnable-track {
    height: 14px;
    border-radius: 7px;
  }

  .zq-slider-input::-webkit-slider-thumb {
    width: 34px;
    height: 34px;
    margin-top: -10px;
  }

  .zq-slider-input::-moz-range-track {
    height: 14px;
    border-radius: 7px;
  }

  .zq-slider-input::-moz-range-thumb {
    width: 34px;
    height: 34px;
  }

  .zq-slider-info {
    justify-content: flex-start;
  }

  .zq-slider-percentage {
    font-size: 16px;
  }

  .zq-slider-value {
    font-size: 14px;
  }

  #scoringViewToggle {
    width: 100%;
    display: flex;
  }

  #scoringViewToggle .btn {
    flex: 1;
  }
}

/* --- Desktop: keep stacked column layout (col-md-2 is too narrow for row) --- */
@media (min-width: 993px) {
  .scoring-modern .zq-slider-row {
    flex-direction: column;
    gap: 4px;
  }

  .scoring-modern .zq-slider-info {
    min-width: 0;
    flex-shrink: 0;
  }

  .scoring-modern .zq-slider-track-wrap {
    flex: 1;
  }
}