:root{--bg: #0d1117;--bg-elev: #161b22;--bg-card: #131a23;--ink: #e6edf3;--ink-dim: #8b949e;--accent: #2ea86f;--accent-ink: #062b1a;--danger: #f85149;--line: #263040;--radius: 12px;--mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--bg);color:var(--ink);font:16px/1.5 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;min-height:100vh}.shell{min-height:100vh;display:flex;flex-direction:column}.topbar{display:flex;align-items:center;justify-content:space-between;padding:14px 22px;border-bottom:1px solid var(--line)}.brand{display:inline-flex;gap:8px;align-items:center;font-weight:700;text-decoration:none;color:var(--ink)}.brand-mark{color:var(--accent)}.topnav{display:flex;gap:14px;align-items:center}.topnav a{color:var(--ink-dim);text-decoration:none}.topnav a:hover{color:var(--ink)}.main{width:min(760px,100% - 32px);margin:0 auto;padding:34px 0 60px}.main.narrow{width:min(560px,100% - 32px)}.hero h1{font-size:2.1rem;margin:0 0 6px;letter-spacing:-.02em}.lede{color:var(--ink-dim);margin:0 0 26px}.card{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;margin-bottom:22px}.card-title{margin:0 0 6px;font-size:1.05rem}.tabs{display:flex;gap:6px;margin-bottom:16px}.tab{background:transparent;border:1px solid var(--line);color:var(--ink-dim);padding:6px 14px;border-radius:999px;cursor:pointer;font:inherit}.tab.active{background:var(--accent);border-color:var(--accent);color:var(--accent-ink);font-weight:600}.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}.field label{font-size:.86rem;color:var(--ink-dim)}textarea,input[type=text],input[type=url],input[type=password],input:not([type]),select{background:var(--bg-elev);color:var(--ink);border:1px solid var(--line);border-radius:8px;padding:10px 12px;font:inherit;width:100%}textarea{resize:vertical;font-family:var(--mono);font-size:.95rem}input[type=file]{color:var(--ink-dim)}.check{display:flex;gap:8px;align-items:center;font-size:.95rem;color:var(--ink)}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.span2{grid-column:span 2}@media(max-width:640px){.grid3{grid-template-columns:1fr}.span2{grid-column:auto}}.linkrow{display:flex;gap:8px}.linkrow input{flex:1;font-family:var(--mono);font-size:.9rem}.btn{background:var(--bg-elev);color:var(--ink);border:1px solid var(--line);border-radius:8px;padding:10px 16px;font:inherit;cursor:pointer}.btn:hover{border-color:var(--accent)}.btn-primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink);font-weight:600}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-ghost{background:transparent}.btn-small{padding:4px 10px;font-size:.85rem}.btn-danger{border-color:var(--danger);color:var(--danger);background:transparent}.actions{display:flex;gap:10px;margin-top:14px}.metarow{display:flex;gap:26px;margin:14px 0 0;padding:0}.metarow dt{font-size:.78rem;color:var(--ink-dim);text-transform:uppercase;letter-spacing:.06em}.metarow dd{margin:2px 0 0;font-weight:600}.reveal-text{background:var(--bg-elev);border:1px solid var(--line);border-radius:8px;padding:14px;white-space:pre-wrap;word-break:break-all;font-family:var(--mono);font-size:.95rem}.filelist{list-style:none;margin:8px 0 0;padding:0;display:flex;flex-direction:column;gap:6px}.filelist a{color:var(--accent)}.receiptlist{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}.receiptlist li{display:flex;align-items:center;gap:10px;padding:8px 0;border-bottom:1px dashed var(--line);font-size:.92rem}.receiptlist code{font-family:var(--mono);color:var(--ink-dim)}.actions-inline{margin-left:auto;display:flex;gap:6px}.warning{color:#ffb86b;background:#ffb86b14;border:1px solid rgba(255,184,107,.35);border-radius:8px;padding:10px 12px;font-size:.92rem}.hint{color:var(--ink-dim);font-size:.85rem}.fineprint{color:var(--ink-dim);font-size:.86rem}.explainer h2{font-size:1.1rem}.steps{color:var(--ink-dim);padding-left:20px}.steps li{margin-bottom:6px}.fineprint{color:var(--ink-dim);font-size:.85rem}.footer{border-top:1px solid var(--line);color:var(--ink-dim);font-size:.82rem;padding:16px 22px;text-align:center}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.spinner{width:32px;height:32px;margin:0 auto 16px;border:3px solid var(--line);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.snap-timer{margin-bottom:16px;background:#f8514914;border:1px solid rgba(248,81,73,.35);border-radius:8px;padding:12px}.snap-label{display:block;font-size:.9rem;font-weight:600;color:var(--danger);margin-bottom:8px}.snap-bar-track{width:100%;height:8px;background:var(--line);border-radius:999px;overflow:hidden}.snap-bar-fill{height:100%;background:var(--danger);border-radius:999px;transition:width 1s linear}