/* ============================================================
   Free Fun Icebreaker Games — Main Stylesheet
   Phase 1.2 — Organized & Polished
   ============================================================ */

/* =============================================================
   1. RESET & BASE
   ============================================================= */

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

:root {
  --color-primary: #3b82f6;
  --color-primary-dark: #2563eb;
  --color-primary-light: #eff6ff;
  --color-accent: #f59e0b;
  --color-accent-dark: #d97706;
  --color-accent-light: #fffbeb;
  --color-purple: #7c3aed;
  --color-green: #10b981;
  --color-green-dark: #059669;
  --color-bg: #f8fafc;
  --color-surface: #ffffff;
  --color-text: #1e293b;
  --color-text-light: #64748b;
  --color-text-lighter: #94a3b8;
  --color-border: #e2e8f0;
  --color-shadow: rgba(0, 0, 0, 0.06);
  --color-shadow-hover: rgba(0, 0, 0, 0.12);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --max-width: 1180px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
    Ubuntu, Cantarell, "Helvetica Neue", Arial, sans-serif;
  --transition-fast: 0.15s ease;
  --transition-base: 0.2s ease;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-base);
}

a:hover {
  color: var(--color-primary-dark);
  text-decoration: underline;
}

/* Visible focus ring for keyboard accessibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
.btn:focus-visible,
.embed-btn:focus-visible,
.filter-btn:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 2px;
}

/* Remove default focus for mouse users (polyfill approach: :focus-visible handles this) */
:focus:not(:focus-visible) {
  outline: none;
}

/* =============================================================
   2. UTILITY
   ============================================================= */

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* =============================================================
   3. LAYOUT
   ============================================================= */

.section {
  padding: 3.5rem 1.25rem;
}

.section-alt {
  background: #f1f5f9;
}

.section-title {
  font-size: 1.8rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.section-subtitle {
  text-align: center;
  color: var(--color-text-light);
  margin-bottom: 2.5rem;
  font-size: 1.05rem;
  max-width: 650px;
  margin-left: auto;
  margin-right: auto;
}

/* Breadcrumb */
.breadcrumb {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1rem 1.25rem 0;
  font-size: 0.85rem;
  color: var(--color-text-light);
}

.breadcrumb a {
  color: var(--color-text-light);
}

.breadcrumb a:hover {
  color: var(--color-primary);
}

.breadcrumb span {
  margin: 0 0.35rem;
  color: var(--color-text-lighter);
}

/* Simple text page */
.simple-page {
  max-width: 750px;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}

.simple-page h1 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
}

.simple-page h2 {
  font-size: 1.3rem;
  margin: 1.75rem 0 0.75rem;
}

.simple-page p {
  margin-bottom: 1rem;
  line-height: 1.75;
}

.simple-page ul,
.simple-page ol {
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

.simple-page li {
  margin-bottom: 0.5rem;
  line-height: 1.7;
}

/* =============================================================
   4. HEADER
   ============================================================= */

.site-header {
  background: var(--color-surface);
  border-bottom: 2px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 3px var(--color-shadow);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.logo {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-primary);
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  text-decoration: none;
}

.logo:hover {
  color: var(--color-primary-dark);
  text-decoration: none;
}

.logo-icon {
  font-size: 1.35rem;
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.125rem;
  list-style: none;
}

.nav-list a {
  display: block;
  padding: 0.4rem 0.7rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
  white-space: nowrap;
  transition: background var(--transition-base), color var(--transition-base);
}

.nav-list a:hover {
  background: var(--color-primary-light);
  color: var(--color-primary);
  text-decoration: none;
}

.nav-list a.active {
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: 600;
}

/* =============================================================
   5. BUTTONS
   ============================================================= */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.65rem 1.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition-base);
  line-height: 1.4;
  font-family: var(--font-sans);
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

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

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

.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: #fff;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.35);
}

.btn-accent {
  background: var(--color-accent);
  color: #1e293b;
  border-color: var(--color-accent);
}

.btn-accent:hover {
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  color: #1e293b;
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.35);
}

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

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

.btn-lg {
  padding: 0.85rem 2.2rem;
  font-size: 1.1rem;
  border-radius: var(--radius-md);
}

.btn-sm {
  padding: 0.4rem 1rem;
  font-size: 0.85rem;
}

.btn-xl {
  padding: 1rem 2.8rem;
  font-size: 1.2rem;
  border-radius: var(--radius-lg);
  font-weight: 700;
}

/* =============================================================
   6. HERO
   ============================================================= */

.hero {
  background: linear-gradient(150deg, #eff6ff 0%, #eef2ff 40%, #f0f9ff 70%, #fefce8 100%);
  padding: 5rem 1.25rem;
  text-align: center;
}

.hero h1 {
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: 1rem;
  line-height: 1.2;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.hero p {
  font-size: 1.2rem;
  color: var(--color-text-light);
  max-width: 620px;
  margin: 0 auto 2.25rem;
  line-height: 1.6;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* =============================================================
   7. CARDS (Game Cards)
   ============================================================= */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: 0 1px 4px var(--color-shadow);
  border: 1px solid var(--color-border);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px var(--color-shadow-hover);
}

.card-icon {
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
  line-height: 1;
}

.card-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.card-desc {
  font-size: 0.92rem;
  color: var(--color-text-light);
  margin-bottom: 1rem;
  flex-grow: 1;
  line-height: 1.55;
}

.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--color-text-light);
  margin-bottom: 1rem;
}

.card-meta span {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  background: #f1f5f9;
  padding: 0.25rem 0.65rem;
  border-radius: 20px;
  font-weight: 500;
}

.card .btn {
  margin-top: auto;
}

/* Category Cards */
.cat-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 1.75rem 1.5rem;
  box-shadow: 0 1px 4px var(--color-shadow);
  border: 1px solid var(--color-border);
  text-align: center;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.cat-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px var(--color-shadow-hover);
  text-decoration: none;
}

.cat-card-icon {
  font-size: 2.8rem;
  margin-bottom: 0.5rem;
  line-height: 1;
}

.cat-card-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
  color: var(--color-text);
}

.cat-card-desc {
  font-size: 0.88rem;
  color: var(--color-text-light);
  margin-bottom: 1.25rem;
}

/* Time Cards */
.time-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.time-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 1.25rem 1rem;
  text-align: center;
  box-shadow: 0 1px 4px var(--color-shadow);
  border: 1px solid var(--color-border);
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-primary);
  transition: all var(--transition-base);
}

.time-card:hover {
  background: var(--color-primary-light);
  text-decoration: none;
  transform: translateY(-2px);
  box-shadow: 0 4px 14px var(--color-shadow-hover);
}

/* =============================================================
   8. FILTER BAR
   ============================================================= */

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-bottom: 2rem;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding: 0 1.25rem;
}

.filter-btn {
  padding: 0.5rem 1.1rem;
  border-radius: 20px;
  border: 2px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-base);
  font-family: var(--font-sans);
}

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

.filter-btn.active {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
  font-weight: 600;
}

/* =============================================================
   9. GAME DETAIL PAGES
   ============================================================= */

.game-detail {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1.25rem;
}

.game-detail h1 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.game-intro {
  color: var(--color-text-light);
  font-size: 1.05rem;
  margin-bottom: 1.75rem;
  max-width: 700px;
  line-height: 1.6;
}

/* Info card */
.info-card {
  background: linear-gradient(135deg, #f8fafc 0%, #eff6ff 100%);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: 0 1px 4px var(--color-shadow);
  border: 1px solid var(--color-border);
  margin-bottom: 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2.5rem;
}

.info-item {
  display: flex;
  flex-direction: column;
}

.info-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-light);
  font-weight: 600;
  margin-bottom: 0.15rem;
}

.info-value {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text);
}

/* Game iframe container */
.game-frame-wrapper {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: 0 2px 10px var(--color-shadow);
  border: 2px solid var(--color-border);
  overflow: hidden;
  margin-bottom: 2.5rem;
}

.game-frame-wrapper iframe {
  width: 100%;
  height: 520px;
  border: none;
  display: block;
}

.game-frame-label {
  background: var(--color-primary-light);
  padding: 0.6rem 1.25rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
  border-bottom: 1px solid var(--color-border);
}

/* Content sections on game detail */
.content-section {
  max-width: var(--max-width);
  margin: 0 auto 2rem;
  padding: 0 1.25rem;
}

.content-section h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--color-text);
  padding-top: 0.25rem;
}

.content-section h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  margin-top: 1.75rem;
  color: var(--color-text);
}

.content-section p,
.content-section li {
  color: var(--color-text);
  line-height: 1.7;
  margin-bottom: 0.5rem;
}

.content-section ul,
.content-section ol {
  padding-left: 1.5rem;
  margin-bottom: 1.25rem;
}

.content-section li::marker {
  color: var(--color-primary);
}

/* Related games grid */
.related-games {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.related-game-link {
  display: block;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  font-weight: 500;
  font-size: 0.9rem;
  transition: all var(--transition-base);
  text-align: center;
}

.related-game-link:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
  text-decoration: none;
  transform: translateY(-1px);
}

/* =============================================================
   10. FAQ
   ============================================================= */

.faq-section {
  max-width: var(--max-width);
  margin: 0 auto 3rem;
  padding: 0 1.25rem;
}

.faq-section h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.faq-item {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  margin-bottom: 0.75rem;
  box-shadow: 0 1px 3px var(--color-shadow);
  border: 1px solid var(--color-border);
  transition: border-color var(--transition-base);
}

.faq-item:hover {
  border-color: var(--color-primary);
}

.faq-item h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--color-text);
}

.faq-item p {
  color: var(--color-text-light);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* =============================================================
   11. QUESTIONS PAGE
   ============================================================= */

.questions-section {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.question-category {
  margin-bottom: 2.5rem;
}

.question-category h2 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  color: var(--color-primary);
}

.question-list {
  list-style: decimal;
  padding-left: 1.5rem;
}

.question-list li {
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 1rem;
  line-height: 1.5;
  transition: background var(--transition-fast);
}

.question-list li:hover {
  background: #fafbfc;
}

/* Random Question Box */
.random-question-box {
  background: var(--color-surface);
  border: 2px dashed var(--color-primary);
  border-radius: var(--radius-lg);
  padding: 2.25rem 2rem;
  text-align: center;
  margin: 2rem auto;
  max-width: 700px;
}

.random-question-box h2 {
  margin-bottom: 0.5rem;
  font-size: 1.4rem;
}

.random-question-box .question-text {
  font-size: 1.35rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  min-height: 3rem;
  color: var(--color-text);
  line-height: 1.5;
  transition: color var(--transition-base);
}

.random-question-box .question-text.placeholder {
  color: var(--color-text-lighter);
  font-weight: 400;
  font-style: italic;
}

/* =============================================================
   12. RANDOM GAME PICKER
   ============================================================= */

.random-picker {
  text-align: center;
  padding: 4rem 1.25rem;
  min-height: 50vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.random-picker h1 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.random-result {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 2.25rem 2rem;
  box-shadow: 0 2px 12px var(--color-shadow);
  border: 1px solid var(--color-border);
  margin-top: 2rem;
  display: none;
  max-width: 500px;
  width: 100%;
  animation: fadeInUp 0.3s ease;
}

.random-result.visible {
  display: block;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* =============================================================
   13. SEO CONTENT
   ============================================================= */

.seo-content {
  max-width: 750px;
  margin: 0 auto;
  padding: 0 1.25rem;
  text-align: center;
}

.seo-content h2 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.seo-content p {
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: 1rem;
}

/* =============================================================
   14. EMBEDDED GAME UI
   ============================================================= */

.embed-game {
  padding: 1.75rem 1.25rem;
  text-align: center;
  font-family: var(--font-sans);
  background: #fff;
  min-height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.embed-game h2 {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.embed-game .embed-subtitle {
  color: #64748b;
  margin-bottom: 1.25rem;
  font-size: 0.92rem;
  max-width: 450px;
  line-height: 1.5;
}

.embed-input-group {
  max-width: 450px;
  margin: 0 auto;
  text-align: left;
  width: 100%;
}

.embed-input-group label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.25rem;
  font-size: 0.85rem;
  color: var(--color-text);
}

.embed-input {
  width: 100%;
  padding: 0.7rem 0.9rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-family: var(--font-sans);
  margin-bottom: 0.85rem;
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
  background: #fff;
}

.embed-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.embed-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.7rem 1.6rem;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  background: var(--color-primary);
  color: #fff;
  transition: all var(--transition-base);
  margin: 0.3rem;
  font-family: var(--font-sans);
}

.embed-btn:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 3px 8px rgba(59, 130, 246, 0.3);
}

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

.embed-btn-large {
  padding: 0.85rem 2.2rem;
  font-size: 1.1rem;
  border-radius: var(--radius-md);
}

.embed-btn-secondary {
  background: var(--color-accent);
  color: #1e293b;
}

.embed-btn-secondary:hover {
  background: var(--color-accent-dark);
  color: #1e293b;
  box-shadow: 0 3px 8px rgba(245, 158, 11, 0.3);
}

.embed-btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.embed-btn-outline:hover {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 3px 8px rgba(59, 130, 246, 0.25);
}

.embed-output {
  margin: 1.25rem 0;
  padding: 1.25rem;
  background: #f8fafc;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  font-size: 1.15rem;
  min-height: 3.5rem;
  word-break: break-word;
  max-width: 500px;
  width: 100%;
  transition: background var(--transition-base);
}

.embed-output.output-active {
  background: #f0fdf4;
  border-color: var(--color-green);
}

.embed-output ul {
  list-style: none;
  text-align: left;
  padding: 0;
}

.embed-output li {
  padding: 0.6rem 0.85rem;
  background: #fff;
  border-radius: 6px;
  margin-bottom: 0.4rem;
  border: 1px solid var(--color-border);
  font-weight: 500;
  font-size: 1rem;
  transition: background var(--transition-fast);
}

.embed-output li:last-child {
  margin-bottom: 0;
}

.embed-output li:hover {
  background: var(--color-primary-light);
}

.emoji-display {
  font-size: 4.5rem;
  margin: 1rem 0;
  line-height: 1.2;
  letter-spacing: 0.15em;
}

.answer-reveal {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-green);
  margin-top: 0.75rem;
  display: none;
  animation: fadeInUp 0.25s ease;
}

.answer-reveal.visible {
  display: block;
}

.embed-feedback {
  margin-top: 0.75rem;
  font-size: 0.85rem;
  color: var(--color-green-dark);
  min-height: 1.25rem;
  transition: opacity var(--transition-base);
}

/* =============================================================
   15. EXPANDED LIBRARY (Phase 1.3)
   ============================================================= */

/* Search input */
.search-bar {
  max-width: 500px;
  margin: 0 auto 1.5rem;
  padding: 0 1.25rem;
}

.search-input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-family: var(--font-sans);
  background: var(--color-surface);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.search-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

/* Time filter row */
.time-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  justify-content: center;
  margin-bottom: 1rem;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding: 0 1.25rem;
}

.time-filter-btn {
  padding: 0.4rem 0.9rem;
  border-radius: 20px;
  border: 2px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-base);
  font-family: var(--font-sans);
}

.time-filter-btn:hover,
.time-filter-btn.active {
  background: var(--color-accent);
  color: #1e293b;
  border-color: var(--color-accent);
}

/* Game count badge */
.game-count {
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-bottom: 1.5rem;
}

/* Tag badges on cards */
.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin-bottom: 0.75rem;
}

.tag-badge {
  display: inline-block;
  font-size: 0.7rem;
  padding: 0.15rem 0.5rem;
  border-radius: 12px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: 500;
}

/* Popular game types grid */
.type-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 0.75rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.type-card {
  display: block;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1rem;
  text-align: center;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-text);
  transition: all var(--transition-base);
}

.type-card:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
  color: var(--color-primary);
  text-decoration: none;
  transform: translateY(-2px);
}

/* New game badge */
.badge-new {
  display: inline-block;
  background: var(--color-green);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  vertical-align: middle;
  margin-left: 0.35rem;
}

/* =============================================================
   16. BINGO BOARD
   ============================================================= */

.bingo-board {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.25rem;
  max-width: 420px;
  margin: 1rem auto;
  width: 100%;
}

.bingo-cell {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0.25rem;
  font-size: 0.65rem;
  font-weight: 500;
  border: 2px solid var(--color-border);
  border-radius: 4px;
  cursor: pointer;
  background: #fff;
  transition: all var(--transition-fast);
  word-break: break-word;
  line-height: 1.2;
  user-select: none;
}

.bingo-cell:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}

.bingo-cell.marked {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.bingo-cell.free {
  background: var(--color-accent-light);
  border-color: var(--color-accent);
  font-weight: 700;
  cursor: default;
}

/* =============================================================
   17. MEMORY MATCH CARDS
   ============================================================= */

.memory-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.4rem;
  max-width: 350px;
  margin: 1rem auto;
  width: 100%;
}

.memory-card {
  aspect-ratio: 1;
  font-size: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  background: var(--color-primary);
  color: transparent;
  transition: all var(--transition-fast);
  user-select: none;
}

.memory-card.flipped,
.memory-card.matched {
  background: #fff;
  color: inherit;
  border-color: var(--color-primary);
}

.memory-card.matched {
  background: #f0fdf4;
  border-color: var(--color-green);
  cursor: default;
}

/* =============================================================
   18. TAGS / CHIPS / WORD CLOUD
   ============================================================= */

.chip-container {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  justify-content: center;
  margin: 1rem 0;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.35rem 0.75rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
  background: var(--color-primary-light);
  color: var(--color-primary);
  border: 1px solid rgba(59, 130, 246, 0.2);
}

.chip-remove {
  cursor: pointer;
  font-weight: 700;
  font-size: 1rem;
  line-height: 1;
  opacity: 0.5;
  transition: opacity var(--transition-fast);
  background: none;
  border: none;
  color: inherit;
  padding: 0;
}

.chip-remove:hover {
  opacity: 1;
}

/* =============================================================
   19. TIMER
   ============================================================= */

.timer-display {
  font-size: 3rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  color: var(--color-text);
  margin: 0.75rem 0;
  letter-spacing: 0.05em;
}

.timer-display.warning {
  color: var(--color-accent-dark);
  animation: pulse 0.5s ease infinite alternate;
}

@keyframes pulse {
  from { opacity: 1; }
  to { opacity: 0.5; }
}

.timer-preset-btns {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 0.5rem;
}

/* =============================================================
   20. TEAM DISPLAY
   ============================================================= */

.team-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 0.75rem;
  max-width: 600px;
  margin: 1rem auto;
  width: 100%;
}

.team-group {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.75rem;
}

.team-group h4 {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.35rem;
}

.team-group li {
  list-style: none;
  font-size: 0.85rem;
  padding: 0.15rem 0;
}

/* =============================================================
   21. PERSONALITY QUIZ
   ============================================================= */

.quiz-question {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--color-text);
}

.quiz-options {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  max-width: 300px;
  margin: 0 auto 1rem;
}

.quiz-option {
  padding: 0.6rem 1rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
  text-align: center;
}

.quiz-option:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}

.quiz-option.selected {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: #fff;
}

.quiz-result {
  background: var(--color-primary-light);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-top: 1rem;
  font-weight: 600;
  font-size: 1.05rem;
}

/* =============================================================
   22. MOOD BUTTONS
   ============================================================= */

.mood-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  max-width: 400px;
  margin: 1rem auto;
  width: 100%;
}

.mood-btn {
  padding: 0.75rem 0.5rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  transition: all var(--transition-fast);
  text-align: center;
}

.mood-btn:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
  transform: translateY(-1px);
}

.mood-btn.selected {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: #fff;
}

/* =============================================================
   23. SOUND PROMPT
   ============================================================= */

.sound-prompt {
  font-size: 2rem;
  font-weight: 700;
  font-style: italic;
  color: var(--color-purple);
  margin: 1rem 0;
  letter-spacing: 0.05em;
}

/* =============================================================
   24. QUESTION WHEEL (TEXT-BASED)
   ============================================================= */

.wheel-display {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: conic-gradient(
    var(--color-primary), var(--color-accent), var(--color-green),
    var(--color-purple), var(--color-primary-dark), var(--color-accent-dark),
    var(--color-primary), var(--color-accent)
  );
  margin: 1rem auto;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  animation: none;
  transition: transform 0.6s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.wheel-display.spinning {
  animation: spinWheel 1.5s cubic-bezier(0.25, 0.1, 0.25, 1) forwards;
}

@keyframes spinWheel {
  from { transform: rotate(0deg); }
  to { transform: rotate(1080deg); }
}

/* =============================================================
   25. GENTLE SHARE
   ============================================================= */

.gentle-share {
  max-width: var(--max-width);
  margin: 2.5rem auto;
  padding: 2rem 1.5rem;
  background: linear-gradient(135deg, #f0fdf4 0%, #f8fafc 50%, #eff6ff 100%);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  text-align: center;
}

.gentle-share__title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.gentle-share__description {
  font-size: 0.95rem;
  color: var(--color-text-light);
  max-width: 550px;
  margin: 0 auto 1.25rem;
  line-height: 1.6;
}

.gentle-share__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  justify-content: center;
  margin-bottom: 1rem;
}

.gentle-share__button {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.6rem 1.3rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  font-family: var(--font-sans);
  transition: all var(--transition-base);
}

.gentle-share__button:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
  color: var(--color-primary);
  transform: translateY(-1px);
}

.gentle-share__button:active {
  transform: translateY(0);
}

.gentle-share__status {
  min-height: 1.5rem;
  font-size: 0.88rem;
  color: var(--color-text-light);
  transition: color var(--transition-fast);
}

.gentle-share__status.success {
  color: var(--color-green);
}

.gentle-share__note {
  font-size: 0.85rem;
  color: var(--color-text-lighter);
  margin-top: 1rem;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.5;
  font-style: italic;
}

.gentle-share__textarea {
  width: 100%;
  max-width: 420px;
  padding: 0.65rem 0.85rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-family: var(--font-sans);
  resize: vertical;
  min-height: 60px;
  margin: 0.5rem auto;
  display: block;
  transition: border-color var(--transition-base);
  background: var(--color-surface);
}

.gentle-share__textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.12);
}

.privacy-note {
  font-size: 0.78rem;
  color: var(--color-text-lighter);
  margin-top: 0.6rem;
  font-style: italic;
  max-width: 420px;
  margin-left: auto;
  margin-right: auto;
}

.low-pressure-note {
  font-size: 0.88rem;
  color: var(--color-text-light);
  margin-top: 0.75rem;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.5;
}

/* Embed-game inline share panel */
.embed-share-panel {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px dashed var(--color-border);
  max-width: 500px;
  width: 100%;
}

.embed-share-panel__title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--color-text);
}

.embed-share-panel__desc {
  font-size: 0.82rem;
  color: var(--color-text-light);
  margin-bottom: 0.75rem;
  line-height: 1.5;
}

.embed-share-panel__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  justify-content: center;
  margin-bottom: 0.5rem;
}

.embed-share-panel__status {
  font-size: 0.82rem;
  color: var(--color-text-light);
  min-height: 1.25rem;
}

/* Low-pressure feature cards on homepage */
.feature-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.feature-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  text-align: center;
  box-shadow: 0 1px 4px var(--color-shadow);
  border: 1px solid var(--color-border);
}

.feature-card-icon {
  font-size: 2.2rem;
  margin-bottom: 0.5rem;
}

.feature-card-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
  color: var(--color-text);
}

.feature-card-desc {
  font-size: 0.88rem;
  color: var(--color-text-light);
  line-height: 1.55;
}

/* =============================================================
   26. FOOTER
   ============================================================= */

.site-footer {
  background: #0f172a;
  color: #cbd5e1;
  padding: 3.5rem 1.25rem 1.5rem;
  margin-top: auto;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 2rem;
}

.footer-col h3 {
  color: #fff;
  font-size: 0.95rem;
  margin-bottom: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 0.45rem;
}

.footer-col a {
  color: #94a3b8;
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer-col a:hover {
  color: #fff;
  text-decoration: none;
}

.footer-brand-desc {
  font-size: 0.85rem;
  color: #64748b;
  line-height: 1.6;
  margin-top: 0.3rem;
}

.footer-bottom {
  max-width: var(--max-width);
  margin: 2.5rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid #1e293b;
  text-align: center;
  font-size: 0.82rem;
  color: #475569;
}

/* =============================================================
   27. MOBILE HAMBURGER MENU
   ============================================================= */

.menu-toggle {
  display: none;
  background: none;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.9rem;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font-sans);
  color: var(--color-text);
  transition: all var(--transition-base);
}

.menu-toggle:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-light);
}

.menu-toggle[aria-expanded="true"] {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

@media (min-width: 769px) {
  .header-inner nav {
    display: block !important;
  }
}

@media (max-width: 768px) {
  .menu-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
  }

  .header-inner {
    position: relative;
  }

  .header-inner nav {
    width: 100%;
    display: none;
  }

  .header-inner nav.open {
    display: block;
  }

  .nav-list {
    flex-direction: column;
    padding-top: 0.5rem;
    border-top: 1px solid var(--color-border);
    margin-top: 0.25rem;
  }

  .nav-list a {
    padding: 0.55rem 0.7rem;
    font-size: 0.9rem;
  }
}


/* =============================================================
   28. BACK TO TOP BUTTON
   ============================================================= */

.back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 48px;
  height: 48px;
  border-radius: 999px;
  border: 2px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  z-index: 90;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px var(--color-shadow);
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease, background-color 0.2s ease, border-color 0.2s ease;
  font-family: var(--font-sans);
}

.back-to-top.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.back-to-top:hover {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
  box-shadow: 0 4px 14px rgba(59, 130, 246, 0.35);
  transform: translateY(-2px);
}

.back-to-top.is-visible:hover {
  transform: translateY(-2px);
}

.back-to-top:active {
  transform: translateY(0);
}

/* Dark mode */
[data-theme="dark"] .back-to-top {
  background: var(--color-surface);
  border-color: #475569;
  color: var(--color-text);
}

[data-theme="dark"] .back-to-top:hover {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

@media (max-width: 480px) {
  .back-to-top {
    bottom: 18px;
    right: 18px;
    width: 44px;
    height: 44px;
    font-size: 1.3rem;
  }
}

/* =============================================================
   29. DARK MODE
   ============================================================= */

[data-theme="dark"] {
  --color-bg: #0f172a;
  --color-surface: #1e293b;
  --color-text: #e2e8f0;
  --color-text-light: #94a3b8;
  --color-text-lighter: #64748b;
  --color-border: #334155;
  --color-shadow: rgba(0, 0, 0, 0.3);
  --color-shadow-hover: rgba(0, 0, 0, 0.5);
  --color-primary-light: #1e3a5f;
}

[data-theme="dark"] .site-header {
  background: #1e293b;
  border-bottom-color: #334155;
}

[data-theme="dark"] .hero {
  background: linear-gradient(150deg, #0f172a 0%, #1e3a5f 40%, #0f172a 70%, #1a2a1a 100%);
}

[data-theme="dark"] .hero h1 { color: #f1f5f9; }
[data-theme="dark"] .hero p { color: #94a3b8; }

[data-theme="dark"] .section-alt {
  background: #1a2333;
}

[data-theme="dark"] .card,
[data-theme="dark"] .cat-card,
[data-theme="dark"] .time-card,
[data-theme="dark"] .feature-card,
[data-theme="dark"] .type-card,
[data-theme="dark"] .related-game-link,
[data-theme="dark"] .info-card,
[data-theme="dark"] .faq-item,
[data-theme="dark"] .random-result,
[data-theme="dark"] .random-question-box {
  background: #1e293b;
  border-color: #334155;
}

[data-theme="dark"] .card:hover,
[data-theme="dark"] .cat-card:hover,
[data-theme="dark"] .time-card:hover,
[data-theme="dark"] .type-card:hover,
[data-theme="dark"] .related-game-link:hover {
  border-color: var(--color-primary);
  background: #1e3a5f;
}

[data-theme="dark"] .time-card:hover {
  background: #1e3a5f;
}

[data-theme="dark"] .card-meta span,
[data-theme="dark"] .embed-output,
[data-theme="dark"] .gentle-share {
  background: #1a2333;
}

[data-theme="dark"] .gentle-share {
  background: linear-gradient(135deg, #1a2333 0%, #1e293b 50%, #1a2333 100%);
  border-color: #334155;
}

[data-theme="dark"] .embed-output.output-active {
  background: #0a2a1a;
  border-color: var(--color-green);
}

[data-theme="dark"] .embed-output li {
  background: #1e293b;
  border-color: #334155;
}

[data-theme="dark"] .embed-output li:hover {
  background: #1e3a5f;
}

[data-theme="dark"] .info-card {
  background: linear-gradient(135deg, #1e293b 0%, #1e3a5f 100%);
}

[data-theme="dark"] .game-frame-wrapper,
[data-theme="dark"] .embed-game {
  background: #0f172a;
}

[data-theme="dark"] .nav-list a { color: #cbd5e1; }
[data-theme="dark"] .nav-list a:hover { background: #1e3a5f; color: #60a5fa; }
[data-theme="dark"] .nav-list a.active { background: #1e3a5f; color: #60a5fa; }

[data-theme="dark"] .search-input,
[data-theme="dark"] .embed-input,
[data-theme="dark"] .gentle-share__textarea {
  background: #1e293b;
  color: #e2e8f0;
  border-color: #334155;
}

[data-theme="dark"] .filter-btn,
[data-theme="dark"] .time-filter-btn,
[data-theme="dark"] .gentle-share__button {
  background: #1e293b;
  color: #cbd5e1;
  border-color: #334155;
}

[data-theme="dark"] .site-footer {
  background: #020617;
}

[data-theme="dark"] .footer-bottom {
  border-top-color: #1e293b;
}

[data-theme="dark"] .game-frame-label {
  background: #1e3a5f;
  color: #60a5fa;
  border-bottom-color: #334155;
}

[data-theme="dark"] .simple-page p,
[data-theme="dark"] .simple-page li,
[data-theme="dark"] .content-section p,
[data-theme="dark"] .content-section li { color: #cbd5e1; }

.theme-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  background: none;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 0.4rem 0.7rem;
  font-size: 0.85rem;
  cursor: pointer;
  font-family: var(--font-sans);
  color: var(--color-text);
  transition: all var(--transition-base);
}

.theme-toggle-btn:hover {
  border-color: var(--color-accent);
  color: var(--color-accent-dark);
  background: var(--color-accent-light);
}

@media (max-width: 768px) {
  .theme-toggle-btn {
    order: -1;
    margin-right: auto;
  }
}

/* Topic page cards */
.topic-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
  max-width: var(--max-width);
  margin: 2rem auto;
}

.topic-section {
  max-width: var(--max-width);
  margin: 2.5rem auto;
  padding: 0 1.25rem;
}

.topic-section h2 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--color-text);
}

.topic-section p,
.topic-section li {
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 0.75rem;
}

.topic-section ul,
.topic-section ol {
  padding-left: 1.5rem;
  margin-bottom: 1.25rem;
}

/* Submission helper */
.submission-helper {
  background: var(--color-surface);
  border: 2px dashed var(--color-primary);
  border-radius: var(--radius-lg);
  padding: 2rem;
  margin: 2rem 0;
}

.submission-helper h2 {
  font-size: 1.3rem;
  margin-bottom: 0.5rem;
}

.submission-helper .helper-note {
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-bottom: 1.5rem;
  font-style: italic;
}

.submission-field {
  margin-bottom: 1rem;
}

.submission-field label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.3rem;
  font-size: 0.9rem;
}

.submission-field input,
.submission-field textarea {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-family: var(--font-sans);
  background: var(--color-bg);
  transition: border-color var(--transition-base);
}

.submission-field input:focus,
.submission-field textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.12);
}

.submission-field textarea {
  min-height: 80px;
  resize: vertical;
}

.submission-draft {
  background: #f8fafc;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-top: 1.5rem;
  white-space: pre-wrap;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  line-height: 1.6;
  display: none;
}

.submission-draft.visible {
  display: block;
}

[data-theme="dark"] .submission-draft {
  background: #0f172a;
}

[data-theme="dark"] .submission-field input,
[data-theme="dark"] .submission-field textarea {
  background: #0f172a;
  color: #e2e8f0;
  border-color: #334155;
}

/* =============================================================
   16. RESPONSIVE
   ============================================================= */

@media (max-width: 900px) {
  .footer-inner {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .hero {
    padding: 3.5rem 1rem;
  }

  .hero h1 {
    font-size: 1.8rem;
  }

  .hero p {
    font-size: 1.05rem;
  }

  .section {
    padding: 2.5rem 1rem;
  }

  .section-title {
    font-size: 1.4rem;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }

  .header-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav-list {
    gap: 0;
  }

  .nav-list a {
    font-size: 0.8rem;
    padding: 0.35rem 0.55rem;
  }

  .game-frame-wrapper iframe {
    height: 420px;
  }

  .info-card {
    gap: 0.5rem 1.25rem;
  }

  .game-detail h1 {
    font-size: 1.6rem;
  }

  .content-section h2 {
    font-size: 1.3rem;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .embed-output {
    max-width: 100%;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 2.5rem 0.85rem;
  }

  .hero h1 {
    font-size: 1.5rem;
  }

  .hero p {
    font-size: 0.95rem;
  }

  .btn-lg,
  .btn-xl {
    padding: 0.7rem 1.5rem;
    font-size: 1rem;
  }

  .game-frame-wrapper iframe {
    height: 380px;
  }

  .random-question-box {
    padding: 1.5rem;
  }

  .random-question-box .question-text {
    font-size: 1.15rem;
  }

  .emoji-display {
    font-size: 3.5rem;
  }

  .footer-inner {
    grid-template-columns: 1fr;
  }
}