/* ============================================================
   DUELO — home / browse / detail
   ============================================================ */

/* ---------------- top nav ---------------- */
.nav{
  position:sticky;top:0;z-index:40;
  height:var(--nav-h);
  display:flex;align-items:center;
  background:rgba(6,7,11,.66);
  backdrop-filter:blur(18px) saturate(1.2);
  -webkit-backdrop-filter:blur(18px) saturate(1.2);
  border-bottom:1px solid var(--line);
}
.nav .shell{display:flex;align-items:center;gap:22px}

.brand{display:flex;align-items:center;gap:11px;flex:none}
.brand-mark{
  width:32px;height:32px;border-radius:9px;
  background:linear-gradient(145deg,#5b8cff,#7c5cff 55%,#31d0ff);
  display:grid;place-items:center;
  box-shadow:0 4px 18px -4px rgba(91,140,255,.8), inset 0 1px 0 rgba(255,255,255,.35);
  flex:none;
}
.brand-mark svg{width:18px;height:18px}
.brand-name{
  font-family:var(--font-display);
  font-size:18px;font-weight:700;letter-spacing:-.03em;
}
.brand-name em{font-style:normal;color:var(--ink-4);font-weight:500}

.nav-links{display:flex;gap:2px;margin-left:8px}
.nav-links a{
  padding:8px 13px;border-radius:var(--r-xs);
  color:var(--ink-3);font-size:13.5px;font-weight:520;
  transition:all var(--t-fast);
}
.nav-links a:hover{color:var(--ink);background:rgba(255,255,255,.05)}
.nav-links a.on{color:var(--ink)}

/* ---------------- hero ---------------- */
.hero{position:relative;padding:74px 0 46px;overflow:hidden}
.hero-grid{
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:52px;align-items:center;
}
.hero h1{
  font-size:clamp(38px,5.4vw,66px);
  font-weight:700;letter-spacing:-.045em;line-height:.98;
  margin:16px 0 18px;
}
.hero h1 .grad{
  background:linear-gradient(96deg,#8fb2ff 0%,#c9b6ff 42%,#7ee8ff 100%);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.hero p.lead{
  font-size:16.5px;line-height:1.62;color:var(--ink-2);
  max-width:50ch;margin-bottom:28px;
}
.hero-cta{display:flex;gap:11px;flex-wrap:wrap;margin-bottom:26px}
.hero-stats{display:flex;gap:30px;padding-top:22px;border-top:1px solid var(--line)}
.hero-stats div span{display:block}
.hero-stats .n{font-family:var(--font-display);font-size:23px;font-weight:650;letter-spacing:-.02em}
.hero-stats .l{font-size:12px;color:var(--ink-3);margin-top:1px}

/* hero showcase — rotating live mini-canvas */
.showcase{
  position:relative;aspect-ratio:16/11;
  border-radius:var(--r-xl);
  background:linear-gradient(160deg,var(--bg-2),var(--bg-0) 70%);
  box-shadow:inset 0 0 0 1px var(--line-2), var(--sh-3);
  overflow:hidden;
}
.showcase canvas{width:100%;height:100%;display:block}
.showcase-glow{
  position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(120% 90% at 50% 120%, rgba(91,140,255,.22), transparent 60%);
}
.showcase-tag{
  position:absolute;left:16px;bottom:15px;
  display:flex;align-items:center;gap:9px;
  padding:8px 14px 8px 11px;border-radius:var(--r-pill);
  background:rgba(8,10,16,.8);
  box-shadow:inset 0 0 0 1px var(--line-2);
  backdrop-filter:blur(10px);
  font-size:12.5px;font-weight:560;
}
.showcase-dots{position:absolute;right:16px;bottom:18px;display:flex;gap:6px}
.showcase-dots i{
  width:5px;height:5px;border-radius:99px;background:rgba(255,255,255,.22);
  transition:all var(--t-mid) var(--ease);
}
.showcase-dots i.on{width:18px;background:var(--accent)}

/* ---------------- library ---------------- */
.lib{padding:16px 0 90px}
.lib-hd{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:20px;flex-wrap:wrap;margin-bottom:22px;
}
.lib-hd h2{font-size:26px;letter-spacing:-.03em}
.lib-hd .sub{color:var(--ink-3);font-size:13.5px;margin-top:5px}
.filters{display:flex;gap:7px;flex-wrap:wrap}

.grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(268px,1fr));
  gap:16px;
}

/* ---------------- game card ---------------- */
.card{
  --acc:var(--accent);
  position:relative;
  display:flex;flex-direction:column;
  border-radius:var(--r-lg);
  background:linear-gradient(180deg,var(--bg-2),var(--bg-1));
  box-shadow:inset 0 0 0 1px var(--line), var(--sh-1);
  overflow:hidden;
  text-align:left;
  transition:transform var(--t-mid) var(--ease-out),
             box-shadow var(--t-mid) var(--ease-out);
  animation:rise 520ms var(--ease-out) backwards;
}
.card:hover{
  transform:translateY(-4px);
  box-shadow:inset 0 0 0 1px color-mix(in srgb, var(--acc) 45%, transparent),
             0 20px 46px -18px rgba(0,0,0,.9),
             0 0 44px -22px var(--acc);
}
.card-art{
  position:relative;aspect-ratio:16/10;
  background:
    radial-gradient(120% 80% at 50% 118%, color-mix(in srgb, var(--acc) 22%, transparent), transparent 62%),
    var(--bg-0);
  overflow:hidden;
}
.card-art canvas{width:100%;height:100%}
.card-art::after{  /* top sheen */
  content:'';position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg, rgba(255,255,255,.05), transparent 34%);
}
.card-badges{position:absolute;top:11px;left:11px;display:flex;gap:6px;z-index:2}
.card-bd{padding:15px 16px 17px}
.card-bd h3{font-size:16.5px;letter-spacing:-.02em;margin-bottom:5px;display:flex;align-items:center;gap:8px}
.card-bd p{font-size:13px;color:var(--ink-3);line-height:1.5}
.card-meta{
  display:flex;align-items:center;gap:8px;margin-top:12px;
  font-size:11.5px;color:var(--ink-4);font-family:var(--font-mono);
}
.card-meta .sep{width:3px;height:3px;border-radius:99px;background:currentColor;opacity:.6}
.card-play{
  position:absolute;right:12px;bottom:12px;z-index:2;
  width:38px;height:38px;border-radius:50%;
  display:grid;place-items:center;
  background:color-mix(in srgb, var(--acc) 88%, #000);
  color:#04060c;
  box-shadow:0 6px 20px -6px var(--acc), inset 0 1px 0 rgba(255,255,255,.4);
  opacity:0;transform:translateY(8px) scale(.85);
  transition:all var(--t-mid) var(--ease-out);
}
.card:hover .card-play{opacity:1;transform:none}
.card-play svg{width:15px;height:15px;margin-left:2px}

/* ---------------- detail sheet ---------------- */
.detail{width:min(100%,880px)}
.detail-hero{
  position:relative;height:196px;
  border-radius:var(--r-xl) var(--r-xl) 0 0;overflow:hidden;
  background:var(--bg-0);
}
.detail-hero canvas{width:100%;height:100%}
.detail-hero::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 30%, var(--bg-2) 98%);
}
.detail-title{
  position:absolute;left:28px;bottom:18px;z-index:2;
}
.detail-title h2{font-size:30px;letter-spacing:-.035em}
.detail-title .tl{color:var(--ink-2);font-size:14px;margin-top:5px}

.detail-body{padding:22px 28px 26px;display:grid;grid-template-columns:1fr 268px;gap:26px}
.detail-body h4{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.15em;
  text-transform:uppercase;color:var(--ink-4);margin-bottom:11px;
}
.detail-body p.desc{font-size:14.5px;line-height:1.68;color:var(--ink-2)}

.ctrl-table{display:flex;flex-direction:column;gap:16px;margin-top:22px}
.ctrl-side{
  padding:14px 15px;border-radius:var(--r-md);
  background:rgba(255,255,255,.028);
  box-shadow:inset 0 0 0 1px var(--line);
}
.ctrl-side .who{
  display:flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;margin-bottom:11px;
}
.ctrl-side .who i{width:9px;height:9px;border-radius:3px;flex:none}
.ctrl-row{display:flex;align-items:center;gap:9px;margin-bottom:7px;font-size:12.5px;color:var(--ink-3)}
.ctrl-row:last-child{margin-bottom:0}
.ctrl-row .keys{display:flex;gap:4px;flex:none;min-width:88px}

.mode-list{display:flex;flex-direction:column;gap:9px}
.mode{
  display:flex;align-items:center;gap:12px;
  padding:13px 14px;border-radius:var(--r-md);
  background:rgba(255,255,255,.03);
  box-shadow:inset 0 0 0 1px var(--line);
  text-align:left;width:100%;
  transition:all var(--t-fast) var(--ease);
}
.mode:hover{background:rgba(255,255,255,.06);box-shadow:inset 0 0 0 1px var(--line-2);transform:translateX(2px)}
.mode .mi{
  width:34px;height:34px;border-radius:9px;flex:none;
  display:grid;place-items:center;
  background:rgba(255,255,255,.06);color:var(--ink-2);
}
.mode .mi svg{width:17px;height:17px}
.mode .mt{font-size:13.5px;font-weight:580;line-height:1.3}
.mode .ms{font-size:11.5px;color:var(--ink-4);margin-top:2px}
.mode.primary{background:rgba(91,140,255,.13);box-shadow:inset 0 0 0 1px rgba(91,140,255,.36)}
.mode.primary:hover{background:rgba(91,140,255,.2)}
.mode.primary .mi{background:rgba(91,140,255,.26);color:#cfe0ff}

.diff-pick{display:flex;gap:6px;margin-top:10px}
.diff-pick button{
  flex:1;height:34px;border-radius:var(--r-xs);
  background:rgba(255,255,255,.035);
  box-shadow:inset 0 0 0 1px var(--line);
  font-size:12.5px;font-weight:550;color:var(--ink-3);
  transition:all var(--t-fast);
}
.diff-pick button:hover{color:var(--ink-2);background:rgba(255,255,255,.07)}
.diff-pick button[aria-selected="true"]{
  color:#fff;background:rgba(91,140,255,.18);
  box-shadow:inset 0 0 0 1px rgba(91,140,255,.5);
}

/* ---------------- online lobby ---------------- */
.lobby-step{display:flex;gap:13px;margin-bottom:18px}
.lobby-step .n{
  width:25px;height:25px;border-radius:50%;flex:none;
  display:grid;place-items:center;
  background:rgba(91,140,255,.18);
  box-shadow:inset 0 0 0 1px rgba(91,140,255,.42);
  font-family:var(--font-mono);font-size:11.5px;font-weight:600;color:#b9cdff;
}
.lobby-step .t{font-size:13.5px;font-weight:560;margin-bottom:4px}
.lobby-step .d{font-size:12.5px;color:var(--ink-3);line-height:1.55}
.code-box{
  display:flex;gap:8px;margin-top:9px;
}
.peer-row{
  display:flex;align-items:center;gap:12px;
  padding:13px 15px;border-radius:var(--r-md);
  background:rgba(255,255,255,.03);
  box-shadow:inset 0 0 0 1px var(--line);
}
.avatar{
  width:32px;height:32px;border-radius:9px;flex:none;
  display:grid;place-items:center;
  font-family:var(--font-display);font-weight:700;font-size:13px;color:#04060c;
}

/* ---------------- responsive ---------------- */
@media (max-width:940px){
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .showcase{order:-1;aspect-ratio:16/9}
  .detail-body{grid-template-columns:1fr}
  .hero{padding:44px 0 32px}
}
@media (max-width:620px){
  .nav-links{display:none}
  .grid{grid-template-columns:1fr 1fr;gap:12px}
  .card-bd{padding:12px 13px 14px}
  .card-bd h3{font-size:14.5px}
  .card-bd p{font-size:12px}
  .hero-stats{gap:20px}
  .hero-stats .n{font-size:19px}
}
@media (max-width:420px){ .grid{grid-template-columns:1fr} }

.badge-local{color:#a4f4d0;background:rgba(49,208,143,.13);box-shadow:inset 0 0 0 1px rgba(49,208,143,.3);font-size:10px}
.card-badges{flex-wrap:wrap;right:10px}
.local-unavailable{font-size:12px;line-height:1.6;color:var(--ink-3);padding:12px 14px;border:1px solid var(--line);border-radius:var(--r-md)}
.showcase-dots{max-width:45%;flex-wrap:wrap;justify-content:flex-end}

#library{scroll-margin-top:calc(var(--nav-h) + 24px)}