:root{--bg: #f6f7f9;--surface: #ffffff;--border: #d8dce3;--text: #1a1d23;--muted: #5b6472;--accent: #1f5fa8;--accent-text: #ffffff;--error-bg: #fdeded;--error-border: #e6b2b2;--error-text: #8b2020;--success-bg: #edf7ee;--success-border: #a9d4ae;--success-text: #1f5f28;--radius: 8px}@media(prefers-color-scheme:dark){:root{--bg: #15171c;--surface: #1e2128;--border: #333844;--text: #e8eaee;--muted: #98a1b0;--accent: #6ba3e8;--accent-text: #0f1115;--error-bg: #3a1f1f;--error-border: #6b3535;--error-text: #f3b8b8;--success-bg: #1c3320;--success-border: #35603c;--success-text: #a9d9b0}}*{box-sizing:border-box}body{margin:0;padding:2rem 1rem 3rem;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:16px;line-height:1.55}main{max-width:40rem;margin:0 auto}h1{font-size:1.6rem;margin:0 0 .5rem}h2{font-size:1.1rem;margin:0 0 .5rem}p{margin:0 0 .9rem}p:last-child{margin-bottom:0}ul{margin:0 0 .9rem;padding-left:1.2rem}li{margin-bottom:.35rem}.lead{color:var(--muted);margin-bottom:1.5rem}.hint,.note{color:var(--muted);font-size:.875rem}.note{margin-top:1.5rem}.card,form{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem;margin-bottom:1rem}.field{margin-bottom:1.1rem}label{display:block;font-weight:600;margin-bottom:.35rem;font-size:.9375rem}input,select{width:100%;padding:.6rem .7rem;font:inherit;color:var(--text);background:var(--bg);border:1px solid var(--border);border-radius:6px}input:focus-visible,select:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.field .hint{margin:.35rem 0 0}button{font:inherit;font-weight:600;padding:.65rem 1.1rem;color:var(--accent-text);background:var(--accent);border:1px solid transparent;border-radius:6px;cursor:pointer}button:hover:not(:disabled){filter:brightness(1.08)}button:disabled{opacity:.55;cursor:default}button.secondary{color:var(--text);background:transparent;border-color:var(--border);margin-top:1rem}.link-box{display:block;width:100%;text-align:left;font-family:ui-monospace,SF Mono,Menlo,Consolas,monospace;font-size:.8125rem;font-weight:400;line-height:1.5;color:var(--text);background:var(--bg);border:1px solid var(--border);border-radius:6px;padding:.75rem;overflow-wrap:anywhere}.link-box:hover{border-color:var(--accent);filter:none}.alert{border:1px solid;border-radius:6px;padding:.75rem .9rem;margin-bottom:1rem}.alert.error{background:var(--error-bg);border-color:var(--error-border);color:var(--error-text)}.alert.success{background:var(--success-bg);border-color:var(--success-border);color:var(--success-text)}.alert.success h2{color:inherit}[hidden]{display:none!important}footer{max-width:40rem;margin:2.5rem auto 0;color:var(--muted);font-size:.8125rem}