/* ============================================================
   HumanBench Lab — design system
   컨셉: 인간 하드웨어 성능 벤치마크 연구소 (다크 랩 + 네온)
   ============================================================ */
:root {
  --bg: #0b0e14;
  --bg2: #11151f;
  --card: #161b28;
  --card2: #1c2233;
  --line: rgba(255,255,255,.08);
  --line2: rgba(255,255,255,.14);
  --txt: #eef1f8;
  --txt2: #a8b0c2;
  --txt3: #6b7488;
  --acc: #22d3ee;          /* cyan */
  --acc2: #a78bfa;         /* violet */
  --accg: linear-gradient(135deg, #22d3ee, #a78bfa);
  --good: #34d399;
  --warn: #fbbf24;
  --bad: #f87171;
  --gold: #ffd54a;
  --silver: #cfd8e3;
  --bronze: #e8a06b;
  --r: 16px;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
  --font: 'Outfit', 'Apple SD Gothic Neo', 'Noto Sans KR', 'Malgun Gothic', sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
}
* { margin:0; padding:0; box-sizing:border-box; -webkit-tap-highlight-color: transparent; }
html { scroll-behavior:smooth; }
body {
  background: var(--bg);
  background-image: radial-gradient(1000px 500px at 80% -10%, rgba(167,139,250,.08), transparent 60%),
                    radial-gradient(800px 400px at 10% 0%, rgba(34,211,238,.06), transparent 55%);
  color: var(--txt);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.55;
  min-height: 100vh;
  display: flex; flex-direction: column;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }
img, video { max-width: 100%; }
.hb-wrap { width:100%; max-width:1080px; margin:0 auto; padding:0 16px; }
.hb-main { flex:1; padding-top:20px; padding-bottom:56px; }

/* ---------- header ---------- */
.hb-header {
  position: sticky; top:0; z-index:100;
  background: rgba(11,14,20,.82);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.hb-header-in { display:flex; align-items:center; justify-content:space-between; height:60px; }
.hb-logo { display:flex; align-items:center; gap:9px; font-weight:800; font-size:20px; letter-spacing:-.3px; }
.hb-logo-icon { font-size:24px; filter: drop-shadow(0 0 10px rgba(34,211,238,.5)); }
.hb-logo-text b { background: var(--accg); -webkit-background-clip:text; background-clip:text; color:transparent; }
.hb-header-right { display:flex; align-items:center; gap:10px; }
.hb-lang-btn {
  display:flex; align-items:center; gap:6px;
  background: var(--card); border:1px solid var(--line2); color:var(--txt);
  border-radius: 999px; padding:7px 13px; font-size:14px; font-weight:600; cursor:pointer;
  transition:.15s;
}
.hb-lang-btn:hover { border-color: var(--acc); }
.hb-lang-code { font-family: var(--mono); font-size:12px; color:var(--txt2); }
.hb-caret { font-size:10px; color:var(--txt3); }
.hb-lang-menu {
  display:none; position:absolute; right:16px; top:64px;
  background: var(--card2); border:1px solid var(--line2); border-radius:14px;
  box-shadow: var(--shadow); padding:8px; z-index:200;
  grid-template-columns: 1fr 1fr; gap:2px; width:min(92vw, 420px);
  max-height: 70vh; overflow:auto;
}
.hb-lang-menu.open { display:grid; }
.hb-lang-item { padding:9px 12px; border-radius:9px; font-size:14px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.hb-lang-item:hover { background: rgba(255,255,255,.06); }
.hb-lang-item.on { background: rgba(34,211,238,.12); color: var(--acc); font-weight:700; }

/* ---------- hero ---------- */
.hb-hero { text-align:center; padding: 34px 0 10px; }
.hb-hero h1 {
  font-size: clamp(26px, 5.4vw, 44px); font-weight:800; letter-spacing:-.5px; line-height:1.18;
}
.hb-hero h1 .grad { background: var(--accg); -webkit-background-clip:text; background-clip:text; color:transparent; }
.hb-hero p { color: var(--txt2); margin-top:10px; font-size: clamp(14px, 2.4vw, 17px); max-width:640px; margin-left:auto; margin-right:auto; }
.hb-hero-stats { display:flex; justify-content:center; gap:26px; margin-top:18px; flex-wrap:wrap; }
.hb-hero-stat { text-align:center; }
.hb-hero-stat b { display:block; font-family:var(--mono); font-size:22px; color:var(--acc); }
.hb-hero-stat span { font-size:12px; color:var(--txt3); text-transform:uppercase; letter-spacing:1px; }

/* ---------- category chips ---------- */
.hb-cats {
  display:flex; gap:8px; overflow-x:auto; padding:18px 0 6px; scrollbar-width:none;
  -webkit-overflow-scrolling: touch;
}
.hb-cats::-webkit-scrollbar { display:none; }
.hb-chip {
  flex:0 0 auto; display:inline-flex; align-items:center; gap:6px;
  background: var(--card); border:1px solid var(--line2); color:var(--txt2);
  padding:8px 15px; border-radius:999px; font-size:14px; font-weight:600; cursor:pointer; transition:.15s;
}
.hb-chip:hover { border-color:var(--acc); color:var(--txt); }
.hb-chip.on {
  background: rgba(34,211,238,.14); border-color: var(--acc); color:#c8f4fc;
  box-shadow: 0 0 14px rgba(34,211,238,.18);
}

/* ---------- section head ---------- */
.hb-sec { display:flex; align-items:center; justify-content:space-between; margin:26px 0 14px; gap:10px; flex-wrap:wrap; }
.hb-sec h2 { font-size:20px; font-weight:800; letter-spacing:-.3px; display:flex; align-items:center; gap:8px; }
.hb-sec-tools { display:flex; gap:8px; }
.hb-tool {
  background:var(--card); border:1px solid var(--line2); color:var(--txt2);
  padding:6px 14px; border-radius:999px; font-size:13px; font-weight:600; cursor:pointer; transition:.15s;
}
.hb-tool.on { background: rgba(167,139,250,.15); border-color: var(--acc2); color:#ddd3fe; }

/* ---------- test cards ---------- */
.hb-grid { display:grid; grid-template-columns: repeat(4, 1fr); gap:14px; }
@media (max-width: 980px) { .hb-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 700px) { .hb-grid { grid-template-columns: repeat(2, 1fr); gap:11px; } }
.hb-card {
  background: var(--card); border:1px solid var(--line); border-radius: var(--r);
  overflow:hidden; transition: transform .18s, border-color .18s, box-shadow .18s;
  display:flex; flex-direction:column;
}
.hb-card:hover { transform: translateY(-3px); border-color: rgba(34,211,238,.45); box-shadow: 0 12px 28px rgba(0,0,0,.4); }
.hb-card-media { position:relative; aspect-ratio: 16/10; background: var(--card2); overflow:hidden; }
.hb-card-media img { width:100%; height:100%; object-fit:cover; display:block; }
.hb-card-emoji { width:100%; height:100%; display:flex; align-items:center; justify-content:center; font-size:52px;
  background: radial-gradient(120px 80px at 50% 40%, rgba(167,139,250,.25), transparent 70%); }
.hb-card-cat {
  position:absolute; top:8px; left:8px; font-size:11px; font-weight:700;
  background: rgba(8,10,15,.72); backdrop-filter: blur(4px); color:#cdd6ea;
  padding:3px 9px; border-radius:999px; border:1px solid rgba(255,255,255,.12);
}
.hb-card-body { padding:11px 13px 13px; display:flex; flex-direction:column; gap:5px; flex:1; }
.hb-card-title { font-size:15px; font-weight:700; line-height:1.3; letter-spacing:-.2px;
  display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }
.hb-card-meta { margin-top:auto; display:flex; align-items:center; justify-content:space-between; font-size:12px; color:var(--txt3); }
.hb-card-plays { font-family: var(--mono); }

/* ---------- buttons ---------- */
.hb-btn {
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  border:none; cursor:pointer; border-radius:14px; font-weight:800; font-size:16px;
  padding:14px 28px; color:#08131a; background: var(--accg);
  box-shadow: 0 8px 22px rgba(34,211,238,.28); transition: .15s; letter-spacing:-.2px;
}
.hb-btn:hover { transform: translateY(-1px); box-shadow: 0 10px 26px rgba(34,211,238,.4); }
.hb-btn:active { transform: translateY(1px); }
.hb-btn.ghost {
  background: var(--card); color: var(--txt); border:1px solid var(--line2); box-shadow:none;
}
.hb-btn.ghost:hover { border-color: var(--acc); }
.hb-btn.sm { padding:9px 18px; font-size:14px; border-radius:11px; }
.hb-btn[disabled] { opacity:.55; cursor:not-allowed; transform:none; }

/* ---------- test page ---------- */
.hb-test-head { margin: 8px 0 14px; }
.hb-crumb { font-size:13px; color:var(--txt3); margin-bottom:8px; display:flex; gap:6px; align-items:center; flex-wrap:wrap; }
.hb-crumb a:hover { color: var(--acc); }
.hb-test-title { font-size: clamp(22px, 4.6vw, 32px); font-weight:800; letter-spacing:-.4px; display:flex; align-items:center; gap:10px; line-height:1.25; }
.hb-test-sum { color: var(--txt2); margin-top:6px; max-width:760px; font-size:15px; }

.hb-specbar {
  display:grid; grid-template-columns: repeat(4, 1fr); gap:10px; margin:16px 0;
}
@media (max-width:700px) { .hb-specbar { grid-template-columns: repeat(2, 1fr); } }
.hb-spec {
  background: var(--card); border:1px solid var(--line); border-radius:14px; padding:12px 14px; text-align:center;
}
.hb-spec b { display:block; font-family:var(--mono); font-size:20px; font-weight:800; color:var(--txt); }
.hb-spec.hl b { color: var(--acc); }
.hb-spec span { font-size:11px; color:var(--txt3); text-transform:uppercase; letter-spacing:.8px; }

.hb-stage {
  background: var(--card); border:1px solid var(--line); border-radius:20px;
  padding: clamp(12px, 3vw, 26px); box-shadow: var(--shadow);
  position:relative; overflow:hidden;
}
/* 모바일: 스테이지 풀블리드(화면 끝까지) + 패딩 제거 — 게임 자체 박스가 플레이영역 전체가 되도록 */
@media (max-width:700px) {
  .page-test .hb-stage {
    margin-left:-16px; margin-right:-16px;
    padding:0; border:none; border-radius:0;
    box-shadow:none; background:transparent;
  }
}
.hb-howto { margin-top:16px; background: var(--bg2); border:1px dashed var(--line2); border-radius:14px; padding:14px 18px; color:var(--txt2); font-size:14px; }
.hb-howto b { color: var(--txt); }

/* ---------- leaderboard ---------- */
.hb-board { margin-top:26px; }
.hb-board-tabs { display:flex; gap:8px; flex-wrap:wrap; margin-bottom:12px; }
.hb-board-table { width:100%; border-collapse:collapse; background:var(--card); border-radius:16px; overflow:hidden; }
.hb-board-table thead th {
  font-size:11px; text-transform:uppercase; letter-spacing:1px; color:var(--txt3);
  padding:11px 12px; text-align:left; border-bottom:1px solid var(--line2); background:var(--card2);
}
.hb-board-table td { padding:11px 12px; border-bottom:1px solid var(--line); font-size:14px; }
.hb-board-table tbody tr:last-child td { border-bottom:none; }
.hb-board-table tbody tr.me { background: rgba(34,211,238,.09); }
.hb-rank-no { font-family: var(--mono); font-weight:800; width:64px; }
.hb-rank-no .medal { font-size:17px; }
.hb-rank-score { font-family: var(--mono); font-weight:800; color: var(--acc); text-align:right; white-space:nowrap; }
.hb-rank-nick { display:flex; align-items:center; gap:7px; min-width:0; }
.hb-rank-nick .nick { overflow:hidden; text-overflow:ellipsis; white-space:nowrap; max-width:180px; }
.hb-rank-date { color: var(--txt3); font-size:12px; white-space:nowrap; }
@media (max-width:600px) { .hb-rank-date { display:none; } .hb-rank-nick .nick { max-width:120px; } }
.hb-board-more { text-align:center; margin-top:14px; }
.hb-board-empty { text-align:center; color:var(--txt3); padding:34px 10px; }

/* ---------- modal ---------- */
.hb-modal-bg {
  display:none; position:fixed; inset:0; background:rgba(4,6,10,.7); z-index:300;
  align-items:center; justify-content:center; padding:16px; backdrop-filter: blur(4px);
}
.hb-modal-bg.open { display:flex; }
.hb-modal {
  background: var(--card2); border:1px solid var(--line2); border-radius:20px;
  width: 100%; max-width: 400px; padding:24px; box-shadow: var(--shadow);
  animation: hbPop .22s ease;
}
@keyframes hbPop { from { transform: scale(.92); opacity:0; } to { transform:scale(1); opacity:1; } }
.hb-modal h3 { font-size:19px; font-weight:800; margin-bottom:6px; }
.hb-modal .score-big { font-family:var(--mono); font-size:38px; font-weight:800; color:var(--acc); text-align:center; margin:14px 0 4px; }
.hb-modal .pct { text-align:center; color:var(--warn); font-weight:700; font-size:14px; margin-bottom:12px; }
.hb-input {
  width:100%; background: var(--bg2); border:1px solid var(--line2); color:var(--txt);
  border-radius:12px; padding:13px 15px; font-size:16px; font-family:inherit; outline:none; transition:.15s;
}
.hb-input:focus { border-color: var(--acc); box-shadow: 0 0 0 3px rgba(34,211,238,.15); }
.hb-modal-btns { display:flex; gap:9px; margin-top:14px; }
.hb-modal-btns .hb-btn { flex:1; }

/* ---------- toast ---------- */
.hb-toast {
  position:fixed; left:50%; bottom:26px; transform:translateX(-50%) translateY(20px);
  background:#0e2530; color:#c9f5ff; border:1px solid rgba(34,211,238,.4);
  border-radius:12px; padding:11px 20px; font-size:14px; font-weight:600;
  opacity:0; pointer-events:none; transition:.25s; z-index:400; max-width:90vw; text-align:center;
}
.hb-toast.show { opacity:1; transform:translateX(-50%) translateY(0); }

/* ---------- footer ---------- */
.hb-footer { border-top:1px solid var(--line); background: var(--bg2); padding:30px 0 40px; text-align:center; }
.hb-footer-logo { font-weight:800; font-size:17px; }
.hb-footer-logo b { background:var(--accg); -webkit-background-clip:text; background-clip:text; color:transparent; }
.hb-footer-note { color:var(--txt3); font-size:12.5px; margin-top:8px; max-width:560px; margin-left:auto; margin-right:auto; }
.hb-footer-links { margin-top:10px; font-size:13px; color:var(--txt2); }
.hb-footer-links a:hover { color:var(--acc); }
.hb-footer-copy { color:var(--txt3); font-size:12px; margin-top:6px; }

/* ---------- misc ---------- */
.hb-badge-grade {
  display:inline-block; font-weight:800; padding:3px 12px; border-radius:999px; font-size:13px;
  background: rgba(255,213,74,.14); color: var(--gold); border:1px solid rgba(255,213,74,.4);
}
.hb-center { text-align:center; }
.hb-mt10 { margin-top:10px; } .hb-mt20 { margin-top:20px; } .hb-mt30 { margin-top:30px; }
::selection { background: rgba(34,211,238,.35); }