:root{
  --bg:#ffffff; --card:#f2f2f4; --fg:#1c1c1e; --muted:#636366; --faint:#8a8a8e;
  --pill:#ffffff; --shadow:0 2px 12px rgba(0,0,0,.08);
  --boost:#fff3d1; --boost-fg:#8a5a00; --ok-bg:#e4f4e8; --ok-fg:#1e7a3a;
  --good:#34a853; --meh:#e0a100; --bad:#c0582b; --new:#b0b0b5;
  --send:#1c1c1e; --send-fg:#ffffff; --off:#e5e5ea; --line:#e5e5ea;
}
@media (prefers-color-scheme:dark){
  :root{
    --bg:#000; --card:#1c1c1e; --fg:#f2f2f7; --muted:#aeaeb2; --faint:#8e8e93;
    --pill:#2c2c2e; --shadow:0 2px 12px rgba(0,0,0,.6);
    --boost:#3a2e10; --boost-fg:#f2c94c; --ok-bg:#16301f; --ok-fg:#7fd69a;
    --new:#636366; --send:#f2f2f7; --send-fg:#000; --off:#3a3a3c; --line:#3a3a3c;
  }
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--fg);
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  -webkit-font-smoothing:antialiased}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:none;background:none}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.muted{color:var(--muted);font-size:14px}

.top{position:sticky;top:0;z-index:5;display:flex;justify-content:space-between;align-items:center;
  padding:12px 16px;background:linear-gradient(var(--bg) 75%,transparent)}
.top-right{display:flex;align-items:center;gap:8px}
.logo{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-weight:800;font-size:19px;
  letter-spacing:-.5px;color:var(--good);text-decoration:none;white-space:nowrap}
.logo span{color:var(--fg)}
.logo:hover{text-decoration:none}
.langseg{display:flex;gap:2px;padding:3px;background:var(--card);border-radius:18px}
.langseg button{height:32px;min-width:38px;padding:0 10px;border-radius:15px;font-size:13px;color:var(--muted)}
.langseg button[aria-pressed="true"]{background:var(--pill);box-shadow:0 1px 4px rgba(0,0,0,.08);font-weight:600;color:var(--fg)}
.chip{min-height:44px;padding:0 18px;display:inline-flex;align-items:center;gap:8px;
  background:var(--pill);border-radius:22px;box-shadow:var(--shadow);font-size:16px;text-decoration:none}
.chip.small{font-size:14px}
.chip b{font-weight:600}

main{max-width:760px;margin:0 auto;padding:8px 16px 120px}

.hero{padding:20px 22px;background:var(--pill);border-radius:24px;box-shadow:var(--shadow);
  display:flex;flex-direction:column;gap:6px;margin-bottom:16px}
.hero-top{display:flex;justify-content:space-between;align-items:center;min-height:24px;
  font-size:14px;color:var(--muted)}
.hero-num{display:flex;align-items:baseline;gap:6px}
.hero-num b{font-size:46px;font-weight:600;letter-spacing:-.01em;font-variant-numeric:tabular-nums;line-height:1.1}
.hero-num .u{font-size:22px;font-weight:600}
.hero-num .tk{font-size:15px;color:var(--muted);margin-left:2px}
.bump{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:12px;
  background:var(--ok-bg);color:var(--ok-fg);font-size:13px;font-weight:600;animation:bump 2.4s ease-out forwards}
@keyframes bump{0%{opacity:0;transform:translateY(6px)}12%{opacity:1;transform:none}80%{opacity:1}100%{opacity:0;transform:translateY(-6px)}}
.sub{margin-top:4px;font-size:14px;color:var(--muted);display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.dot{width:8px;height:8px;border-radius:4px;flex-shrink:0}

.tabs{display:flex;gap:2px;padding:4px;background:var(--card);border-radius:22px;margin-bottom:14px;width:max-content;max-width:100%}
.tabs button{height:40px;padding:0 20px;border-radius:20px;font-size:15px;color:var(--muted)}
.tabs button[aria-selected="true"]{background:var(--pill);box-shadow:0 1px 4px rgba(0,0,0,.08);font-weight:600;color:var(--fg)}

.plats{display:flex;gap:8px;overflow-x:auto;padding:2px 2px 10px;margin-bottom:6px;scrollbar-width:none}
.plats::-webkit-scrollbar{display:none}
.plat{flex-shrink:0;height:40px;padding:0 18px;border-radius:20px;background:var(--card);font-size:15px;color:var(--muted);
  display:inline-flex;align-items:center;gap:6px}
.plat[aria-selected="true"]{background:var(--send);color:var(--send-fg);font-weight:600}
.plat .n{font-size:12px;opacity:.7;font-variant-numeric:tabular-nums}

.list{display:flex;flex-direction:column;gap:12px}
.label{padding:6px 4px 0;font-size:13px;color:var(--muted)}
.card{padding:18px 18px 18px 24px;background:var(--card);border-radius:22px;display:flex;align-items:center;gap:14px}
.card.pinned{background:var(--pill);box-shadow:var(--shadow);outline:2px solid var(--good)}
.card.dead{opacity:.55}
.card .info{flex:1;min-width:0;display:flex;flex-direction:column;gap:8px}
.row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.code{font-size:24px;font-weight:600;letter-spacing:.06em;font-variant-numeric:tabular-nums}
.copy{height:38px;padding:0 16px;display:inline-flex;align-items:center;gap:6px;border-radius:19px;
  background:var(--send);color:var(--send-fg);font-size:14px;font-weight:500}
.card.pinned .copy{background:var(--good)}
.status{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);flex-wrap:wrap}
.status .meta{color:var(--faint)}
.votes{display:flex;flex-direction:column;gap:8px;flex-shrink:0}
.vote{min-height:44px;min-width:56px;padding:0 14px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:20px;background:var(--pill);font-size:20px;box-shadow:var(--shadow)}
.vote[aria-pressed="true"]{outline:2px solid var(--good);font-weight:600}
.vote.down[aria-pressed="true"]{outline-color:var(--bad)}

.empty{padding:48px 20px;text-align:center;color:var(--muted);font-size:15px;line-height:1.8;
  background:var(--card);border-radius:22px}

.own{margin-top:20px;padding:18px;background:var(--card);border-radius:22px;display:flex;flex-direction:column;gap:12px}
.own-t{font-size:16px;font-weight:600}
.own-r{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:14px}
.code-sm{font-weight:600;letter-spacing:.06em;font-size:16px}
.own-r .meta{color:var(--muted);flex:1;min-width:140px}
.own-close{height:34px;padding:0 14px;border-radius:17px;background:var(--pill);font-size:13px;box-shadow:var(--shadow)}
.own-close.armed{background:var(--bad);color:#fff;font-weight:600}
.link-row{display:flex;align-items:center;justify-content:space-between;gap:8px;min-height:44px;
  padding:5px 6px 5px 14px;background:var(--bg);border-radius:22px}
.link{font-size:13px;color:var(--muted);min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.link-btn{height:34px;padding:0 14px;flex-shrink:0;display:inline-flex;align-items:center;gap:6px;
  border-radius:17px;background:var(--send);color:var(--send-fg);font-size:13px}
.boost-row{display:flex;align-items:center;justify-content:space-between;gap:8px;min-height:44px;
  padding:5px 6px 5px 14px;background:var(--bg);border-radius:22px;font-size:13px;color:var(--muted)}
.boost-btn{height:34px;padding:0 14px;flex-shrink:0;display:inline-flex;align-items:center;gap:6px;
  border-radius:17px;background:var(--boost);color:var(--boost-fg);font-size:13px;font-weight:600}
.boost-btn:disabled{background:var(--off);color:var(--faint);cursor:default}

.post{margin-top:24px;padding:20px;background:var(--card);border-radius:22px}
.post h2{margin:0 0 4px;font-size:17px}
.post form{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
.post input{flex:1;min-width:0;height:52px;padding:0 18px;border-radius:16px;border:1px solid var(--line);
  background:var(--bg);font-size:17px}
.post input#platform{flex:1;letter-spacing:0;font-size:15px}
.post input#code{flex:1;letter-spacing:.08em;text-transform:uppercase}
.post input:focus{outline:2px solid var(--good);border-color:transparent}
.post button#send{height:52px;padding:0 26px;flex-shrink:0;border-radius:16px;background:var(--off);color:var(--faint);
  font-size:16px;font-weight:600}
.post button#send.ready{background:var(--send);color:var(--send-fg)}
.hint{min-height:20px;font-size:13px;color:var(--muted);margin:8px 0 0}

.fine{margin-top:28px;text-align:center;font-size:12px;color:var(--faint);line-height:1.8}

.ask{position:fixed;left:12px;right:12px;bottom:calc(12px + env(safe-area-inset-bottom));z-index:15;
  max-width:520px;margin:0 auto;padding:16px 18px;background:var(--pill);border-radius:20px;
  box-shadow:0 8px 32px rgba(0,0,0,.18);display:flex;flex-direction:column;gap:12px}
.ask[hidden]{display:none}
.ask-q{font-size:16px;font-weight:500}
.ask-a{display:flex;gap:10px}
.ask-a button{flex:1;height:48px;border-radius:14px;font-size:20px;font-weight:600}
.ask-a .yes{background:var(--ok-bg);color:var(--ok-fg)}
.ask-a .no{background:var(--card);color:var(--muted)}
.ask-a .later{background:none;color:var(--faint);font-weight:400;font-size:15px}

.toast{position:fixed;left:50%;transform:translateX(-50%) translateY(20px);bottom:calc(24px + env(safe-area-inset-bottom));
  z-index:30;padding:12px 20px;background:var(--send);color:var(--send-fg);border-radius:24px;font-size:14px;
  opacity:0;pointer-events:none;transition:opacity .25s,transform .25s;max-width:88vw;text-align:center}
.toast.on{opacity:1;transform:translateX(-50%)}

.sheet{position:fixed;inset:0;z-index:20;background:rgba(0,0,0,.3);display:flex;align-items:flex-end;justify-content:center}
.sheet[hidden]{display:none}
.sheet-body{width:100%;max-width:520px;padding:12px 20px calc(28px + env(safe-area-inset-bottom));
  background:var(--bg);border-radius:28px 28px 0 0;display:flex;flex-direction:column;gap:16px}
.sheet-grab{align-self:center;width:40px;height:5px;border-radius:3px;background:var(--off)}
.sheet-body h2{margin:0;font-size:20px}
.sheet-body p{margin:0;font-size:14px;color:var(--muted);line-height:1.6}
.sheet-link{padding:14px 16px;background:var(--card);border-radius:16px;display:flex;flex-direction:column;gap:4px}
.sheet-link small{font-size:12px;color:var(--muted)}
.sheet-link span{font-size:15px;font-weight:500;word-break:break-all}
.sheet-actions{display:flex;gap:10px}
.sheet-actions button{flex:1;height:52px;border-radius:16px;background:var(--card);font-size:16px;font-weight:500}
.sheet-actions button.primary{background:var(--send);color:var(--send-fg);font-weight:600}

dialog.rules{border:none;border-radius:24px;padding:24px;max-width:520px;width:calc(100vw - 48px);
  background:var(--bg);color:var(--fg);box-shadow:0 12px 48px rgba(0,0,0,.25)}
dialog.rules::backdrop{background:rgba(0,0,0,.3)}
dialog.rules h2{font-size:17px;margin:18px 0 8px}
dialog.rules h2:first-child{margin-top:0}
dialog.rules ol{margin:0;padding-left:20px;font-size:14px;line-height:1.9;color:var(--muted)}
dialog.rules ol b{color:var(--fg)}
dialog.rules .primary{width:100%;height:50px;border-radius:14px;background:var(--send);color:var(--send-fg);
  font-size:16px;font-weight:600;margin-top:18px}

@media (prefers-reduced-motion:reduce){.bump{animation:none}}