/* ═══════════════════════════════════════════════════════
   GAMES — 30 educational game preview cards
   Astro Bot style, production-ready
   ═══════════════════════════════════════════════════════ */

.gm-page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px 16px calc(var(--bnav-h, 0px) + 40px);
  display: flex;
  flex-direction: column;
  gap: 20px;
  min-height: 100dvh;
}

/* ── Header ─────────── */
.gm-header { display: flex; align-items: center; gap: 16px; }
.gm-back {
  display: inline-flex; align-items: center;
  padding: 10px 18px; border-radius: 12px;
  background: var(--glass); border: 1px solid var(--border);
  color: var(--text2); font-family: 'Nunito', system-ui, sans-serif;
  font-size: 14px; font-weight: 700; text-decoration: none;
  transition: all 0.2s; flex-shrink: 0;
}
.gm-back:hover { background: var(--glass2); color: var(--text); border-color: var(--border2); }
.gm-header-center { flex: 1; }
.gm-title {
  font-family: 'Luckiest Guy', cursive; font-size: 28px; color: var(--text);
  text-shadow: 0 0 20px rgba(108,92,231,0.3); line-height: 1.2;
}
.gm-subtitle { font-size: 13px; color: var(--text3); font-weight: 600; margin-top: 2px; }
.gm-header-spacer { width: 90px; flex-shrink: 0; }

/* ── Tabs ──────────── */
.gm-tabs {
  display: flex; gap: 8px; overflow-x: auto; padding-bottom: 4px;
  scrollbar-width: none;
}
.gm-tabs::-webkit-scrollbar { display: none; }
.gm-tab {
  padding: 8px 18px; border-radius: 99px; border: 1px solid var(--border);
  background: var(--glass); color: var(--text2);
  font-family: 'Nunito', system-ui, sans-serif; font-size: 13px; font-weight: 700;
  cursor: pointer; white-space: nowrap; transition: all 0.2s;
}
.gm-tab:hover { border-color: var(--border2); color: var(--text); }
.gm-tab.active {
  background: linear-gradient(135deg, rgba(108,92,231,0.2), rgba(162,155,254,0.1));
  border-color: rgba(108,92,231,0.4); color: #a29bfe;
}

/* ── Grid ──────────── */
.gm-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 14px;
}

/* ── Card ──────────── */
.gm-card {
  position: relative; background: var(--glass); border: 1px solid var(--border);
  border-radius: 16px; overflow: hidden; transition: all 0.3s ease;
  cursor: pointer; display: flex; flex-direction: column;
}
.gm-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}

/* Preview area */
.gm-thumb {
  position: relative; aspect-ratio: 16/10;
  background: linear-gradient(135deg, var(--gm-from, rgba(255,255,255,0.04)), var(--gm-to, rgba(255,255,255,0.01)));
  display: flex; align-items: center; justify-content: center; overflow: hidden;
}
.gm-thumb-icon {
  font-size: 52px; opacity: 0.5; transition: all 0.3s; filter: grayscale(0.3);
}
.gm-card:hover .gm-thumb-icon { opacity: 0.85; transform: scale(1.1); filter: grayscale(0); }

/* Play overlay */
.gm-play-overlay {
  position: absolute; inset: 0; display: flex; align-items: center;
  justify-content: center; opacity: 0; transition: opacity 0.3s;
  background: rgba(0,0,0,0.3);
}
.gm-card:hover .gm-play-overlay { opacity: 1; }
.gm-play-btn {
  width: 56px; height: 56px; border-radius: 50%;
  background: rgba(108,92,231,0.85); display: flex;
  align-items: center; justify-content: center; font-size: 24px;
  box-shadow: 0 4px 20px rgba(108,92,231,0.4); transition: transform 0.2s; color: #fff;
}
.gm-card:hover .gm-play-btn { transform: scale(1.1); }

/* Difficulty badge */
.gm-diff {
  position: absolute; top: 8px; left: 8px;
  padding: 3px 10px; border-radius: 6px; font-size: 10px;
  font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; color: #fff;
}
.gm-diff.easy    { background: rgba(46,213,115,0.8); }
.gm-diff.medium  { background: rgba(253,203,110,0.85); color: #333; }
.gm-diff.hard    { background: rgba(255,71,87,0.8); }

/* Cat badge */
.gm-cat-badge {
  position: absolute; bottom: 8px; right: 8px;
  padding: 3px 10px; border-radius: 6px; font-size: 10px;
  font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; color: #fff;
}
.gm-cat-badge.math      { background: rgba(79,172,254,0.8); }
.gm-cat-badge.logic     { background: rgba(255,211,42,0.85); color: #333; }
.gm-cat-badge.memory    { background: rgba(0,184,148,0.8); }
.gm-cat-badge.words     { background: rgba(255,71,87,0.8); }
.gm-cat-badge.adventure { background: rgba(253,203,110,0.85); color: #333; }

/* Card body */
.gm-card-body { padding: 14px 16px; display: flex; flex-direction: column; gap: 5px; flex: 1; }
.gm-card-title {
  font-size: 15px; font-weight: 800; color: var(--text);
  line-height: 1.3; display: -webkit-box; -webkit-line-clamp: 2;
  -webkit-box-orient: vertical; overflow: hidden;
}
.gm-card-desc {
  font-size: 12px; color: var(--text3); line-height: 1.4;
  display: -webkit-box; -webkit-line-clamp: 2;
  -webkit-box-orient: vertical; overflow: hidden;
}
.gm-card-meta {
  display: flex; align-items: center; gap: 8px; margin-top: 2px;
}
.gm-card-age {
  font-size: 10px; font-weight: 700; color: var(--text3);
  padding: 2px 8px; border-radius: 4px; background: rgba(255,255,255,0.04);
}
.gm-card-stars { font-size: 12px; color: #ffd32a; }

/* Coming soon */
.gm-card.coming-soon { opacity: 0.65; cursor: default; }
.gm-card.coming-soon:hover { transform: none; border-color: var(--border); box-shadow: none; }
.gm-card.coming-soon .gm-play-overlay { display: none; }
.gm-card.coming-soon .gm-thumb {
  border: 2px dashed var(--border); border-radius: 14px 14px 0 0; margin: 6px 6px 0;
}
.gm-coming-badge {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%); padding: 6px 14px; border-radius: 8px;
  background: rgba(0,0,0,0.6); color: #a29bfe; font-size: 11px;
  font-weight: 800; letter-spacing: 1px; text-transform: uppercase; white-space: nowrap;
}

/* Live game badge */
.gm-live-badge {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%); padding: 6px 16px; border-radius: 8px;
  background: rgba(46,213,115,0.85); color: #fff; font-size: 11px;
  font-weight: 800; letter-spacing: 1px; text-transform: uppercase; white-space: nowrap;
  opacity: 0; transition: opacity 0.3s;
}
.gm-card:not(.coming-soon):hover .gm-live-badge { opacity: 1; }

/* Live card interactive states */
.gm-card:not(.coming-soon) { cursor: pointer; border-color: rgba(46,213,115,0.15); }
.gm-card:not(.coming-soon):hover { border-color: rgba(46,213,115,0.35); }
.gm-card:not(.coming-soon):hover .gm-play-overlay { opacity: 0; }

/* Card gradients per category */
.gm-card.cat-math      { --gm-from: rgba(79,172,254,0.06);  --gm-to: rgba(79,172,254,0.02); }
.gm-card.cat-logic     { --gm-from: rgba(255,211,42,0.06);  --gm-to: rgba(255,211,42,0.02); }
.gm-card.cat-memory    { --gm-from: rgba(0,184,148,0.06);   --gm-to: rgba(0,184,148,0.02); }
.gm-card.cat-words     { --gm-from: rgba(255,71,87,0.06);   --gm-to: rgba(255,71,87,0.02); }
.gm-card.cat-adventure { --gm-from: rgba(253,203,110,0.06);  --gm-to: rgba(253,203,110,0.02); }

.gm-card.cat-math:hover      { border-color: rgba(79,172,254,0.3);  box-shadow: 0 8px 30px rgba(79,172,254,0.12); }
.gm-card.cat-logic:hover     { border-color: rgba(255,211,42,0.3);  box-shadow: 0 8px 30px rgba(255,211,42,0.12); }
.gm-card.cat-memory:hover    { border-color: rgba(0,184,148,0.3);   box-shadow: 0 8px 30px rgba(0,184,148,0.12); }
.gm-card.cat-words:hover     { border-color: rgba(255,71,87,0.3);   box-shadow: 0 8px 30px rgba(255,71,87,0.12); }
.gm-card.cat-adventure:hover { border-color: rgba(253,203,110,0.3);  box-shadow: 0 8px 30px rgba(253,203,110,0.12); }

/* ── Responsive ────── */
@media (max-width: 768px) {
  .gm-page { padding: 14px 10px 24px; gap: 14px; }
  .gm-title { font-size: 22px; }
  .gm-header-spacer { display: none; }
  .gm-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
  .gm-card { border-radius: 12px; }
  .gm-thumb-icon { font-size: 38px; }
  .gm-card-title { font-size: 13px; }
  .gm-card-body { padding: 10px 12px 12px; }
  .gm-play-btn { width: 42px; height: 42px; font-size: 20px; }
}

@media (max-width: 480px) {
  .gm-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .gm-tab { padding: 6px 14px; font-size: 11px; }
}