/* =====================================================
   GameKingdom — styles.css
   Dark theme, mobile-first, CSS Grid + Flexbox
   ===================================================== */

/* ---------- CSS Custom Properties ---------- */
:root {
  --bg:          #0f0f13;
  --surface:     #1a1a24;
  --surface2:    #22222f;
  --border:      #2e2e3e;
  --accent:      #7c5cfc;
  --accent-dim:  #4f39b0;
  --text:        #e8e8f0;
  --text-dim:    #888899;
  --radius-sm:   6px;
  --radius:      12px;
  --radius-lg:   18px;
  --shadow:      0 4px 24px rgba(0,0,0,.45);
  --transition:  .18s ease;
  --header-h:    64px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
button { cursor: pointer; font-family: inherit; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
  height: 100%;
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  flex-shrink: 0;
}
.logo-icon {
  font-size: 1.6rem;
  line-height: 1;
}
.logo-text {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -.5px;
}

/* Search */
.search-wrap {
  flex: 1;
  max-width: 520px;
  position: relative;
  display: flex;
  align-items: center;
}
.search-icon {
  position: absolute;
  left: 12px;
  font-size: .95rem;
  pointer-events: none;
}
.search-input {
  width: 100%;
  padding: 9px 40px 9px 36px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  color: var(--text);
  font-size: .95rem;
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.search-input::placeholder { color: var(--text-dim); }
.search-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(124,92,252,.2);
}
/* Hide native X in some browsers */
.search-input::-webkit-search-cancel-button { display: none; }

.search-clear {
  position: absolute;
  right: 10px;
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: .85rem;
  padding: 4px;
  line-height: 1;
}
.search-clear:hover { color: var(--text); }

/* ---------- Category Nav ---------- */
.category-nav {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
  scrollbar-width: none;
}
.category-nav::-webkit-scrollbar { display: none; }

.category-pills {
  max-width: 1200px;
  margin: 0 auto;
  padding: 10px 16px;
  display: flex;
  gap: 8px;
  white-space: nowrap;
}

.pill {
  padding: 6px 16px;
  border-radius: var(--radius-lg);
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-size: .875rem;
  font-weight: 500;
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}
.pill:hover {
  background: var(--surface2);
  color: var(--text);
  border-color: var(--accent);
}
.pill.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* ---------- Main ---------- */
.main-content {
  flex: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 16px 40px;
  width: 100%;
}

.results-count {
  color: var(--text-dim);
  font-size: .85rem;
  margin-bottom: 16px;
  min-height: 1.2em;
}

/* ---------- Game Grid ---------- */
.game-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 16px;
}

/* ---------- Game Card ---------- */
.game-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.game-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--accent);
  text-decoration: none;
}

.game-thumb {
  width: 100%;
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  user-select: none;
  position: relative;
  overflow: hidden;
}

/* Category colour bands */
.game-thumb[data-cat="puzzle"]   { background: linear-gradient(135deg, #1e2d5a, #2e4a8c); }
.game-thumb[data-cat="action"]   { background: linear-gradient(135deg, #3a1a1a, #8c2e2e); }
.game-thumb[data-cat="casual"]   { background: linear-gradient(135deg, #1a3a2e, #2e7a5a); }
.game-thumb[data-cat="word"]     { background: linear-gradient(135deg, #2e2a1a, #8c7a2e); }
.game-thumb[data-cat="strategy"] { background: linear-gradient(135deg, #1a2e1a, #2e6a2e); }
.game-thumb[data-cat="math"]     { background: linear-gradient(135deg, #2a1a3a, #6a2e8c); }

.game-info {
  padding: 10px 12px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}
.game-title {
  font-size: .95rem;
  font-weight: 600;
  color: var(--text);
  line-height: 1.3;
}
.game-desc {
  font-size: .78rem;
  color: var(--text-dim);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.game-tag {
  margin-top: 6px;
  display: inline-block;
  padding: 2px 8px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: .7rem;
  color: var(--text-dim);
  text-transform: capitalize;
  align-self: flex-start;
}

/* ---------- Empty State ---------- */
.empty-state {
  text-align: center;
  padding: 80px 20px;
  color: var(--text-dim);
}
.empty-icon { font-size: 3rem; margin-bottom: 12px; }

/* ---------- Footer ---------- */
.site-footer {
  text-align: center;
  padding: 20px 16px;
  border-top: 1px solid var(--border);
  font-size: .85rem;
  color: var(--text-dim);
}

/* ---------- Responsive ---------- */
@media (min-width: 480px) {
  .game-grid {
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  }
}

@media (min-width: 768px) {
  .header-inner { padding: 0 24px; }
  .category-pills { padding: 10px 24px; }
  .main-content { padding: 32px 24px 60px; }
  .game-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
  }
}

@media (min-width: 1024px) {
  .game-grid {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  }
}

/* ---------- Reduced Motion ---------- */
@media (prefers-reduced-motion: reduce) {
  .game-card { transition: none; }
}