:root{--bg:#f5f7fb;--panel:#ffffff;--ink:#17202b;--ink-soft:#5a6678;--ink-faint:#8a97a8;--line:#dde3ec;--accent:#2456b8;--accent-ink:#1b4494;--danger:#b4271f;--ok:#15803d;--sans:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;--mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace}@media (prefers-color-scheme:dark){:root{--bg:#0d1117;--panel:#151b24;--ink:#e7edf5;--ink-soft:#a7b4c6;--ink-faint:#74839a;--line:#263140;--accent:#6ea0ff;--accent-ink:#9dbcff;--danger:#e5726a;--ok:#58c98b}}*{box-sizing:border-box}body,html{margin:0;padding:0}body{background:var(--bg);color:var(--ink);font-family:var(--sans);line-height:1.5;-webkit-font-smoothing:antialiased;min-height:100dvh;display:grid;place-items:center}.shell{width:100%;max-width:460px;padding:32px 20px}.brand{display:flex;align-items:center;gap:10px;margin-bottom:22px}.brand .mark{width:34px;height:34px;border-radius:9px;background:var(--accent);color:#fff;display:grid;place-items:center;font-weight:700;font-size:14px}.brand .name{font-weight:600;font-size:15px}.brand .name small{display:block;color:var(--ink-faint);font-weight:400;font-size:12px}.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:26px 24px}h1{font-size:22px;margin:0 0 4px;letter-spacing:-.01em}.lede{color:var(--ink-soft);font-size:14px;margin:0 0 20px}.field{margin-bottom:16px}label{display:block;font-size:13px;font-weight:500;margin-bottom:6px}input{width:100%;height:42px;padding:0 12px;font-size:14px;font-family:inherit;color:var(--ink);background:var(--panel);border:1px solid var(--line);border-radius:9px;outline:none;transition:border-color .12s,box-shadow .12s}input:focus{border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 20%,transparent)}input[aria-invalid=true]{border-color:var(--danger)}.slug-row{display:flex;align-items:stretch}.slug-row input{border-top-right-radius:0;border-bottom-right-radius:0}.slug-row .suffix{display:flex;align-items:center;padding:0 12px;font-size:13px;color:var(--ink-faint);background:color-mix(in srgb,var(--line) 40%,transparent);border:1px solid var(--line);border-left:0;border-radius:0 9px 9px 0;font-family:var(--mono)}.hint{font-size:12px;margin-top:6px;min-height:15px}.hint.err{color:var(--danger)}.hint.ok{color:var(--ok)}.hint.mut{color:var(--ink-faint)}button.cta{width:100%;height:44px;margin-top:6px;border:0;border-radius:9px;background:var(--accent);color:#fff;font-size:15px;font-weight:600;font-family:inherit;cursor:pointer;transition:background .12s}button.cta:hover{background:var(--accent-ink)}button.cta:disabled{opacity:.55;cursor:not-allowed}.err-banner{background:color-mix(in srgb,var(--danger) 12%,transparent);color:var(--danger);border:1px solid color-mix(in srgb,var(--danger) 30%,transparent);border-radius:9px;padding:10px 12px;font-size:13px;margin-bottom:16px}.foot{color:var(--ink-faint);font-size:12px;text-align:center;margin-top:18px}.foot a{color:var(--ink-soft)}.success-icon{width:48px;height:48px;border-radius:50%;background:color-mix(in srgb,var(--ok) 15%,transparent);color:var(--ok);display:grid;place-items:center;font-size:24px;margin-bottom:14px}@media (prefers-reduced-motion:reduce){*{transition:none!important}}