/* ==========================================================================
   FIT SEATING - STYLESHEET
   Light & Dark Mode, Yellow accents, Responsive layout & Goofy playful elements
   ========================================================================== */

:root {
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

  /* Color Palette - Light Theme */
  --bg-primary: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-hover: #f1f5f9;
  --bg-alt: #f1f5f9;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-inverse: #ffffff;
  --border-color: #e2e8f0;
  --border-focus: #f59e0b;

  /* Yellow Accents */
  --yellow-primary: #eab308;
  --yellow-hover: #ca8a04;
  --yellow-light: #fef08a;
  --yellow-bg-soft: #fefce8;
  --yellow-text: #713f12;
  --yellow-border: #fde047;

  /* Status Colors */
  --color-success: #10b981;
  --color-success-bg: #ecfdf5;
  --color-danger: #ef4444;
  --color-danger-bg: #fef2f2;
  --color-info: #0284c7;
  --color-info-bg: #f0f9ff;
  --color-warning: #f59e0b;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-yellow: 0 0 15px rgba(234, 179, 8, 0.4);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
}

[data-theme="dark"] {
  --bg-primary: #090d16;
  --bg-surface: #131b2e;
  --bg-surface-hover: #1e293b;
  --bg-alt: #1e293b;
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-inverse: #090d16;
  --border-color: #27354f;
  --border-focus: #facc15;

  --yellow-primary: #facc15;
  --yellow-hover: #eab308;
  --yellow-light: #423507;
  --yellow-bg-soft: #242008;
  --yellow-text: #fef08a;
  --yellow-border: #856d10;

  --color-success-bg: #064e3b;
  --color-danger-bg: #7f1d1d;
  --color-info-bg: #0c4a6e;

  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.4);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.4);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.5);
  --shadow-yellow: 0 0 20px rgba(250, 204, 21, 0.35);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

a {
  color: inherit;
  text-decoration: none;
}

img, svg {
  vertical-align: middle;
}

/* ==========================================================================
   Layout Containers
   ========================================================================== */
.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

main.main-content {
  flex: 1;
  padding-top: 2rem;
  padding-bottom: 4rem;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
  background-color: var(--bg-surface);
  border-bottom: 2px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 50;
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.site-header::after {
  content: "";
  display: block;
  height: 3px;
  background: linear-gradient(90deg, var(--yellow-primary), #fbbf24, #f59e0b);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  height: 4.25rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.025em;
  color: var(--text-main);
  flex-shrink: 0;
  margin-right: 1.5rem;
}

.brand-badge {
  background-color: var(--yellow-primary);
  color: #18181b;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  box-shadow: var(--shadow-sm);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1rem;
  list-style: none;
}

.nav-links li {
  display: flex;
  align-items: center;
}

.nav-link {
  display: inline-block;
  text-align: left;
  line-height: 1.25;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-muted);
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: var(--text-main);
  background-color: var(--bg-surface-hover);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.hamburger-btn {
  display: none;
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 1.25rem;
}

/* Mobile Nav Drawer */
.mobile-nav {
  display: none;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 1.25rem;
}

.mobile-nav.open {
  display: block;
}

.mobile-nav-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.mobile-nav-links .nav-link {
  display: block;
  padding: 0.6rem 0.75rem;
}

/* ==========================================================================
   Buttons & Controls
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.55rem 1.15rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--yellow-primary);
  color: #18181b;
  border-color: var(--yellow-hover);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08);
}

.btn-primary:hover {
  background-color: var(--yellow-hover);
  color: #000000;
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--bg-alt);
  color: var(--text-main);
  border-color: var(--border-color);
}

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

.btn-outline {
  background-color: transparent;
  color: var(--text-main);
  border-color: var(--border-color);
}

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

.btn-danger {
  background-color: var(--color-danger);
  color: #ffffff;
}

.btn-danger:hover {
  background-color: #dc2626;
}

.btn-sm {
  padding: 0.35rem 0.75rem;
  font-size: 0.825rem;
}

.btn-lg {
  padding: 0.75rem 1.5rem;
  font-size: 1.05rem;
}

.icon-btn {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-main);
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

/* ==========================================================================
   Cards & Surfaces
   ========================================================================== */
.card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.card:hover {
  border-color: var(--yellow-primary);
}

.card-header {
  margin-bottom: 1rem;
}

.card-title {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--text-main);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
  padding: 3rem 0 2rem;
  text-align: center;
  background: radial-gradient(circle at 50% 0%, var(--yellow-bg-soft), transparent 70%);
  margin-bottom: 2rem;
}

.hero-title {
  font-size: 2.5rem;
  font-weight: 900;
  letter-spacing: -0.035em;
  line-height: 1.2;
  margin-bottom: 1rem;
}

.hero-title .highlight {
  background: linear-gradient(135deg, var(--yellow-primary), #d97706);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 650px;
  margin: 0 auto 1.5rem;
}

/* ==========================================================================
   Badges
   ========================================================================== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  font-size: 0.775rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.badge-yellow {
  background-color: var(--yellow-light);
  color: var(--yellow-text);
  border: 1px solid var(--yellow-border);
}

.badge-blue {
  background-color: var(--color-info-bg);
  color: var(--color-info);
  border: 1px solid rgba(2, 132, 199, 0.2);
}

.badge-green {
  background-color: var(--color-success-bg);
  color: var(--color-success);
}

.badge-gray {
  background-color: var(--bg-alt);
  color: var(--text-muted);
}

/* ==========================================================================
   Alerts & Flashes
   ========================================================================== */
.flash-messages {
  margin-bottom: 1.5rem;
}

.alert {
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-sm);
  margin-bottom: 0.75rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 1px solid transparent;
}

.alert-success {
  background-color: var(--color-success-bg);
  color: var(--color-success);
  border-color: rgba(16, 185, 129, 0.3);
}

.alert-danger {
  background-color: var(--color-danger-bg);
  color: var(--color-danger);
  border-color: rgba(239, 68, 68, 0.3);
}

.alert-warning {
  background-color: var(--yellow-bg-soft);
  color: var(--yellow-text);
  border-color: var(--yellow-border);
}

.alert-info {
  background-color: var(--color-info-bg);
  color: var(--color-info);
  border-color: rgba(2, 132, 199, 0.3);
}

/* ==========================================================================
   Search & Interactive Box
   ========================================================================== */
.interactive-search-card {
  background-color: var(--bg-surface);
  border: 2px solid var(--yellow-primary);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin-bottom: 2.5rem;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.interactive-search-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: linear-gradient(90deg, #f59e0b, var(--yellow-primary), #fbbf24);
}

.search-input-wrap {
  position: relative;
  margin: 1.5rem 0;
}

.big-search-input {
  width: 100%;
  font-size: 1.35rem;
  font-weight: 600;
  padding: 1rem 1.25rem;
  padding-right: 3rem;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: var(--bg-primary);
  color: var(--text-main);
  transition: all var(--transition-fast);
}

.big-search-input:focus {
  outline: none;
  border-color: var(--yellow-primary);
  box-shadow: 0 0 0 4px rgba(234, 179, 8, 0.25);
  background-color: var(--bg-surface);
}

.search-result-banner {
  display: none;
  margin-top: 1.5rem;
  padding: 1.25rem 1.75rem;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--yellow-bg-soft), var(--bg-surface));
  border: 2px solid var(--yellow-primary);
  box-shadow: var(--shadow-yellow);
  animation: bounceIn 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.search-result-banner.active {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.result-room-tag {
  font-size: 2rem;
  font-weight: 900;
  color: var(--text-main);
  background-color: var(--yellow-primary);
  padding: 0.2rem 1rem;
  border-radius: var(--radius-sm);
  display: inline-block;
}

@keyframes bounceIn {
  0% { transform: scale(0.92); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

/* ==========================================================================
   FUNNY SILLY GOOFY BIG COLORFUL LETTERS & CLUSTERS
   ========================================================================== */
.room-clusters-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.75rem;
  margin-top: 1.5rem;
}

.room-cluster-card {
  background-color: var(--bg-surface);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  position: relative;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  box-shadow: var(--shadow-sm);
}

.room-cluster-card:hover {
  transform: translateY(-4px) scale(1.01);
  box-shadow: var(--shadow-lg);
  border-color: var(--yellow-primary);
}

.room-cluster-card.cluster-highlighted {
  border-color: var(--yellow-primary);
  box-shadow: var(--shadow-yellow), var(--shadow-lg);
  background: linear-gradient(to bottom, var(--yellow-bg-soft), var(--bg-surface));
  transform: translateY(-6px) scale(1.02);
}

.cluster-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  border-bottom: 2px dashed var(--border-color);
  padding-bottom: 0.75rem;
}

.cluster-room-title {
  font-size: 1.75rem;
  font-weight: 900;
  letter-spacing: -0.025em;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.cluster-range-pill {
  background-color: var(--yellow-primary);
  color: #18181b;
  font-weight: 800;
  font-size: 0.95rem;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
}

/* Goofy playful letter bubbles */
.goofy-letters-container {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  align-items: center;
  padding: 0.5rem 0;
}

.goofy-letter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.25rem;
  height: 3.25rem;
  border-radius: 18px;
  font-size: 1.55rem;
  font-weight: 900;
  font-family: "Arial Rounded MT Bold", var(--font-sans);
  cursor: default;
  user-select: none;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1), inset 0 -2px 0 rgba(0, 0, 0, 0.2);
  transition: all 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
  border: 2px solid rgba(0, 0, 0, 0.15);
}

/* Playful goofy tilt rotations */
.goofy-letter:nth-child(4n+1) { transform: rotate(-5deg); }
.goofy-letter:nth-child(4n+2) { transform: rotate(4deg); }
.goofy-letter:nth-child(4n+3) { transform: rotate(-3deg); }
.goofy-letter:nth-child(4n+4) { transform: rotate(6deg); }

.goofy-letter:hover {
  transform: scale(1.35) rotate(0deg) !important;
  z-index: 10;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.25);
}

/* Vibrant silly colors for letters */
.letter-c-yellow { background-color: #fde047; color: #713f12; }
.letter-c-amber  { background-color: #f59e0b; color: #ffffff; }
.letter-c-orange { background-color: #fb923c; color: #ffffff; }
.letter-c-coral  { background-color: #f87171; color: #ffffff; }
.letter-c-pink   { background-color: #f472b6; color: #ffffff; }
.letter-c-purple { background-color: #c084fc; color: #ffffff; }
.letter-c-indigo { background-color: #818cf8; color: #ffffff; }
.letter-c-sky    { background-color: #38bdf8; color: #0c4a6e; }
.letter-c-teal   { background-color: #2dd4bf; color: #134e4a; }
.letter-c-green  { background-color: #4ade80; color: #14532d; }
.letter-c-lime   { background-color: #a3e635; color: #365314; }

.goofy-letter.letter-matched {
  animation: letterPop 0.6s infinite alternate cubic-bezier(0.45, 0.05, 0.55, 0.95);
  transform: scale(1.4) rotate(0deg) !important;
  border-color: #000000;
  box-shadow: 0 0 15px rgba(234, 179, 8, 0.8), 0 8px 16px rgba(0, 0, 0, 0.3);
  z-index: 20;
}

@keyframes letterPop {
  0% { transform: scale(1.3) translateY(0); }
  100% { transform: scale(1.45) translateY(-6px); }
}

/* ==========================================================================
   Tables
   ========================================================================== */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background-color: var(--bg-surface);
}

.table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.table th, .table td {
  padding: 0.85rem 1.15rem;
  border-bottom: 1px solid var(--border-color);
}

.table th {
  background-color: var(--bg-alt);
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.table tbody tr:hover {
  background-color: var(--bg-surface-hover);
}

.table tbody tr.row-matched {
  background-color: var(--yellow-bg-soft) !important;
  border-left: 4px solid var(--yellow-primary);
  font-weight: 700;
}

/* ==========================================================================
   Forms
   ========================================================================== */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.4rem;
  color: var(--text-main);
}

.form-control {
  width: 100%;
  padding: 0.65rem 0.9rem;
  font-size: 0.95rem;
  font-family: inherit;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background-color: var(--bg-surface);
  color: var(--text-main);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(234, 179, 8, 0.2);
}

.form-help {
  font-size: 0.825rem;
  color: var(--text-muted);
  margin-top: 0.35rem;
}

textarea.form-control {
  min-height: 100px;
  resize: vertical;
}

/* ==========================================================================
   Tooltips (CSS-based)
   ========================================================================== */
[data-tooltip] {
  position: relative;
  cursor: help;
}

[data-tooltip]::before,
[data-tooltip]::after {
  position: absolute;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
  pointer-events: none;
  z-index: 100;
}

[data-tooltip]::after {
  content: attr(data-tooltip);
  bottom: 125%;
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  background-color: #18181b;
  color: #ffffff;
  font-size: 0.775rem;
  font-weight: 500;
  padding: 0.35rem 0.65rem;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  box-shadow: var(--shadow-md);
  border: 1px solid #3f3f46;
}

[data-tooltip]::before {
  content: "";
  bottom: 110%;
  left: 50%;
  transform: translateX(-50%);
  border: 5px solid transparent;
  border-top-color: #18181b;
}

[data-tooltip]:hover::before,
[data-tooltip]:hover::after {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

/* Tooltips in top header / navigation bar appear below buttons to stay on-screen */
.site-header [data-tooltip]::after,
[data-tooltip-pos="bottom"]::after {
  top: calc(100% + 8px);
  bottom: auto;
  left: 50%;
  right: auto;
  transform: translateX(-50%) translateY(-4px);
}

.site-header [data-tooltip]::before,
[data-tooltip-pos="bottom"]::before {
  top: calc(100% + 2px);
  bottom: auto;
  left: 50%;
  right: auto;
  transform: translateX(-50%);
  border-top-color: transparent;
  border-bottom-color: #18181b;
}

.site-header [data-tooltip]:hover::after,
[data-tooltip-pos="bottom"]:hover::after {
  transform: translateX(-50%) translateY(0);
}

/* For right-aligned actions in header, align tooltip to right edge so it doesn't overflow screen */
.site-header .nav-actions [data-tooltip]::after {
  left: auto;
  right: 0;
  transform: translateY(-4px);
}

.site-header .nav-actions [data-tooltip]::before {
  left: auto;
  right: 12px;
  transform: none;
}

.site-header .nav-actions [data-tooltip]:hover::after {
  transform: translateY(0);
}

/* For brand on far left, align tooltip to left edge */
.site-header .brand[data-tooltip]::after {
  left: 0;
  right: auto;
  transform: translateY(-4px);
}

.site-header .brand[data-tooltip]::before {
  left: 14px;
  right: auto;
  transform: none;
}

.site-header .brand[data-tooltip]:hover::after {
  transform: translateY(0);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  padding: 2.5rem 0 2rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-tagline {
  font-weight: 600;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.footer-links a {
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--yellow-primary);
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .hamburger-btn {
    display: inline-flex;
  }

  .hero-title {
    font-size: 2rem;
  }

  .interactive-search-card {
    padding: 1.25rem;
  }

  .goofy-letter {
    width: 2.75rem;
    height: 2.75rem;
    font-size: 1.3rem;
  }

  .footer-content {
    flex-direction: column;
    text-align: center;
  }
}