:root{--bg:#0b0f14;--card:#141b24;--line:#243040;--text:#e8eef5;--mute:#8b9bb0;--acc:#3ddc84;--warn:#ffb020;--bad:#ff5d5d;--r:16px}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;background:var(--bg);color:var(--text);font:16px/1.45 -apple-system,system-ui,Segoe UI,Roboto,sans-serif}
#app{max-width:560px;margin:0 auto;min-height:100dvh;padding:16px 16px calc(110px + env(safe-area-inset-bottom))}
h1{font-size:24px;margin:8px 0 16px}h2{font-size:18px;margin:0 0 8px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px;margin-bottom:12px}
.mute{color:var(--mute);font-size:14px}
.row{display:flex;gap:8px;align-items:center;justify-content:space-between}
button,.btn{font:inherit;font-weight:600;border:0;border-radius:12px;padding:13px 18px;background:var(--acc);color:#04210f;cursor:pointer;width:100%;display:block;text-align:center;text-decoration:none}
button.sec{background:#243040;color:var(--text)}button.danger{background:transparent;color:var(--bad);border:1px solid var(--bad)}
button:disabled{opacity:.5}
button.inline{width:auto;display:inline-block;padding:8px 14px}
input,textarea{font:inherit;width:100%;padding:13px;border-radius:12px;border:1px solid var(--line);background:#0e141b;color:var(--text);margin-bottom:10px}
input.code{text-transform:uppercase;letter-spacing:.2em;text-align:center;font-size:22px;font-weight:700}
.badge{font-size:12px;padding:3px 9px;border-radius:99px;background:#243040;color:var(--mute)}
.badge.active{background:var(--acc);color:#04210f}.badge.finished{background:#2a4a6a;color:#cfe6ff}
.locked{opacity:.45}
.top{display:flex;justify-content:space-between;align-items:center;margin-bottom:4px}
.link{background:none;color:var(--mute);width:auto;padding:6px;font-weight:400;display:inline}
.media{width:100%;border-radius:12px;margin:10px 0;max-height:60vh;object-fit:contain;background:#000}
.progress{height:6px;background:#243040;border-radius:9px;overflow:hidden;margin:8px 0 14px}.progress i{display:block;height:100%;background:var(--acc)}
.fab{position:fixed;right:max(16px,calc(50% - 264px));bottom:calc(20px + env(safe-area-inset-bottom));width:72px;height:72px;border-radius:50%;padding:0;font-size:30px;box-shadow:0 8px 24px #000a}
#toast{position:fixed;left:50%;top:16px;transform:translate(-50%,-80px);background:#1f2a38;border:1px solid var(--line);padding:10px 16px;border-radius:12px;transition:.25s;z-index:99;max-width:90vw}
#toast.show{transform:translate(-50%,0)}#toast.err{border-color:var(--bad)}
/* scanner */
.scanner{position:fixed;inset:0;background:radial-gradient(circle at 50% 40%,#10202a,#06090d);z-index:50;display:flex;flex-direction:column;padding:calc(16px + env(safe-area-inset-top)) 20px calc(20px + env(safe-area-inset-bottom));text-align:center}
.scanner .dial{position:relative;margin:auto;width:min(78vw,320px);aspect-ratio:1;border-radius:50%;border:2px solid var(--line);display:grid;place-items:center;transition:box-shadow .2s,border-color .2s}
.dial .arrow{position:absolute;inset:0;transition:transform .3s linear}
.dial .arrow::after{content:"";position:absolute;left:50%;top:6px;margin-left:-10px;border:10px solid transparent;border-bottom:22px solid var(--acc);border-top:0}
.dial .big{font-size:56px;font-weight:800}.dial .lbl{font-size:18px;margin-top:4px}
.meter{height:14px;background:#1a2430;border-radius:9px;overflow:hidden;margin:0 0 14px}.meter i{display:block;height:100%;width:0;background:linear-gradient(90deg,#3b82f6,#ffb020,#ff5d5d);transition:width .3s}
.foundcode{font-size:40px;font-weight:800;letter-spacing:.2em;color:var(--acc);margin:6px 0 14px;user-select:all}

.timer{font-size:34px;font-weight:800;font-variant-numeric:tabular-nums;line-height:1.1}
.board{width:100%;border-collapse:collapse}.board th{text-align:left;color:var(--mute);font-size:12px;font-weight:600;padding:4px 6px}
.board td{padding:8px 6px;border-top:1px solid var(--line);vertical-align:top}.board td:first-child{width:28px;color:var(--mute)}.board td:last-child{text-align:right;white-space:nowrap}
.board tr.mine td{background:#1b2f26}.board tr:nth-child(2) td:first-child{color:#ffd24a;font-weight:800}