:root{color-scheme:dark;--bg:#0f1117;--bg-elevated:#161923;--bg-sunken:#1f2330;--border:#2b3040;--text:#eef0f6;--text-muted:#a3a9b8;--accent:#ff6f4c;--accent-soft:#ff6f4c29;--radius:12px;font-family:Inter,ui-sans-serif,system-ui,sans-serif}body{background:var(--bg);color:var(--text);grid-template-rows:auto 1fr;min-height:100dvh;margin:0;display:grid}header{border-bottom:1px solid var(--border);background:var(--bg);flex-wrap:wrap;align-items:center;gap:2px;padding:14px 24px;display:flex}header .brand{color:var(--text);letter-spacing:-.01em;margin-right:20px;padding-left:0;font-size:16px;font-weight:700}header .external{margin-left:auto}header a{color:var(--text-muted);border-radius:8px;padding:7px 12px;font-size:14px;font-weight:500;text-decoration:none}header a:hover{color:var(--text);background:var(--bg-elevated)}header a[aria-current=page]{color:var(--text);background:var(--bg-sunken)}main{box-sizing:border-box;flex-direction:column;gap:32px;width:100%;max-width:1180px;min-height:0;margin:0 auto;padding:56px 24px 64px;display:flex}.stack-lg{flex-direction:column;gap:24px;display:flex}.lede{flex-direction:column;gap:14px;max-width:62ch;display:flex}.lede p{font-size:17px}h1{letter-spacing:-.03em;margin:0;font-size:clamp(34px,4vw,46px);font-weight:700;line-height:1.08}p{color:var(--text-muted);max-width:70ch;margin:0;line-height:1.6}.muted{color:var(--text-muted);font-size:14px}.hint{color:var(--text-muted);max-width:70ch;margin-top:-8px;font-size:14px}code{color:var(--text);font-family:ui-monospace,SF Mono,Menlo,Consolas,monospace;font-size:.92em}a{color:var(--accent)}.editor{border-radius:var(--radius);border:1px solid var(--border);height:min(70dvh,720px);min-height:480px;overflow:hidden}.panel{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius);padding:18px}.row{flex-wrap:wrap;align-items:center;gap:14px;display:flex}.notice{border-style:dashed;padding:14px 16px;font-size:13.5px}.notice strong{color:var(--text);font-weight:600}.failure{color:#ef5a5a;border-color:#ef5a5a}.stages{border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-elevated);grid-template-columns:repeat(4,minmax(0,1fr));gap:0;margin:0;padding:0;list-style:none;display:grid;overflow:hidden}.stage{border-left:1px solid var(--border);flex-direction:column;gap:7px;padding:22px;transition:background .2s;display:flex;position:relative}.stage:first-child{border-left:0}.stage.is-active{background:linear-gradient(#ff6f4c12,#0000 70%)}.stage.is-active:before{content:"";background:var(--accent);height:2px;position:absolute;inset:0 0 auto}.stage-where{letter-spacing:.09em;text-transform:uppercase;color:var(--text-muted);align-items:center;gap:8px;font-size:11px;font-weight:600;display:flex}.stage-step{border:1px solid var(--border);width:19px;height:19px;color:var(--text-muted);border-radius:999px;justify-content:center;align-items:center;font-size:10px;display:inline-flex}.stage.is-active .stage-step{background:var(--accent);border-color:var(--accent);color:#1c0d08}.stage-headline{letter-spacing:-.025em;color:var(--text);font-variant-numeric:tabular-nums;margin-top:2px;font-size:26px;font-weight:700;line-height:1.1}.stage:not(.is-active) .stage-headline{color:var(--text-muted);letter-spacing:-.01em;font-size:17px;font-weight:500}.stage-detail{color:var(--text);font-size:13.5px}.stage:not(.is-active) .stage-detail{color:var(--text-muted)}.stage-note{color:var(--text-muted);font-size:12.5px;line-height:1.5}@media (width<=900px){.stages{grid-template-columns:repeat(2,minmax(0,1fr))}.stage:nth-child(3){border-left:0}.stage:nth-child(n+3){border-top:1px solid var(--border)}}@media (width<=560px){.stages{grid-template-columns:1fr}.stage{border-left:0}.stage+.stage{border-top:1px solid var(--border)}}.file{cursor:pointer;background:var(--accent);color:#1c0d08;border-radius:8px;align-items:center;gap:10px;padding:10px 18px;font-size:14px;font-weight:600;transition:filter .15s;display:inline-flex}.file:hover{filter:brightness(1.06)}.file:focus-within{outline:2px solid var(--accent);outline-offset:2px}.file input{clip-path:inset(50%);white-space:nowrap;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}button,select{font:inherit;border:1px solid var(--border);background:var(--bg-sunken);color:var(--text);cursor:pointer;border-radius:8px;padding:9px 14px}button:hover{border-color:var(--accent)}details summary{cursor:pointer;color:var(--text);font-size:14px;font-weight:500}pre{color:var(--text-muted);max-height:280px;margin:12px 0 0;font:12px ui-monospace,SF Mono,Menlo,Consolas,monospace;overflow:auto}@media (prefers-reduced-motion:reduce){.stage{transition:none}}