:root{--font-body:-apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-display:var(--font-body);--font-mono:ui-monospace, "SF Mono", Menlo, monospace;--radius:14px;--radius-small:10px}:root,:root[data-theme=light]{--color-bg:#fff;--color-surface:#f3f3f3;--color-text:#000;--color-muted:#6b6b6b;--color-border:#ddd;--color-accent:#000;--color-on-accent:#fff;--color-danger:#c62828}:root[data-theme=dark]{--color-bg:#000;--color-surface:#161616;--color-text:#fff;--color-muted:#9a9a9a;--color-border:#2c2c2c;--color-accent:#fff;--color-on-accent:#000;--color-danger:#ff6b6b}@media (prefers-color-scheme:dark){:root:not([data-theme]){--color-bg:#000;--color-surface:#161616;--color-text:#fff;--color-muted:#9a9a9a;--color-border:#2c2c2c;--color-accent:#fff;--color-on-accent:#000;--color-danger:#ff6b6b}}*{box-sizing:border-box}html,body{background:var(--color-bg);color:var(--color-text);font-family:var(--font-body);-webkit-text-size-adjust:100%;margin:0;font-size:16px;line-height:1.4}#root{max-width:560px;margin:0 auto}.page{min-height:100vh;padding:16px 16px 40px}.page-title{font-family:var(--font-display);margin:4px 0 16px;font-size:24px;font-weight:800}.section-title{text-transform:uppercase;letter-spacing:.06em;color:var(--color-muted);margin:28px 0 10px;font-size:13px;font-weight:700}.logo{font-family:var(--font-display);letter-spacing:.04em;margin:8px 0 4px;font-size:32px;font-weight:900}.badge{border:1px solid var(--color-text);text-transform:uppercase;letter-spacing:.08em;border-radius:999px;padding:1px 8px;font-size:11px;display:inline-block}.muted{color:var(--color-muted)}.small{font-size:14px}.center{text-align:center}.stack>*+*{margin-top:12px}.row{gap:10px;display:flex}.row>*{flex:1}.btn{border:1.5px solid var(--color-accent);border-radius:var(--radius);width:100%;font:inherit;cursor:pointer;text-align:center;background:var(--color-accent);color:var(--color-on-accent);padding:14px 16px;font-weight:700;display:block}.btn:disabled{opacity:.45;cursor:default}.btn-secondary{color:var(--color-text);background:0 0}.btn-danger{color:var(--color-danger);border-color:var(--color-danger);background:0 0}.btn-link{color:var(--color-text);background:0 0;border:none;width:auto;padding:8px 0;font-weight:500;text-decoration:underline}.btn-big{padding:26px 16px;font-size:20px}.field{margin-top:14px;display:block}.field-label{margin-bottom:6px;font-size:14px;font-weight:600;display:block}.field-hint{color:var(--color-muted);margin-top:4px;font-size:13px;display:block}.input{width:100%;font:inherit;color:var(--color-text);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-small);appearance:none;min-height:46px;padding:12px;display:block}textarea.input{resize:vertical;min-height:80px}.input-code{font-family:var(--font-mono);letter-spacing:.4em;text-align:center;font-size:28px}.check{cursor:pointer;align-items:flex-start;gap:10px;margin-top:14px;display:flex}.check input{width:22px;height:22px;accent-color:var(--color-accent);flex:none;margin:0}.segmented{flex-wrap:wrap;gap:6px;display:flex}.segmented button{border-radius:var(--radius-small);font:inherit;cursor:pointer;border:1px solid var(--color-border);background:var(--color-surface);color:var(--color-text);flex:auto;padding:10px 12px;font-size:15px}.segmented button[aria-pressed=true]{background:var(--color-accent);color:var(--color-on-accent);border-color:var(--color-accent);font-weight:700}.card{text-align:left;width:100%;font:inherit;color:inherit;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:14px;display:block}button.card{cursor:pointer}.card+.card{margin-top:10px}.card-title{font-weight:700}.card-line{margin-top:4px;font-size:14px}.pill{border:1px solid var(--color-text);border-radius:999px;padding:2px 8px;font-size:12px;font-weight:700;display:inline-block}.notice{border:1.5px solid var(--color-text);border-radius:var(--radius);padding:14px}.error{color:var(--color-danger);margin-top:12px;font-size:14px}.code-box{text-align:center;border:2px solid var(--color-text);border-radius:var(--radius);padding:16px}.code-box .code{font-family:var(--font-mono);letter-spacing:.3em;font-size:40px;font-weight:800}.stars{justify-content:center;gap:6px;display:flex}.stars button{color:var(--color-text);cursor:pointer;background:0 0;border:none;padding:4px;font-size:40px}.memo h3{margin:22px 0 6px;font-size:17px}.memo p{margin:6px 0}.memo ul{margin:0;padding:0;list-style:none}.memo li{margin:6px 0;padding-left:18px;position:relative}.memo li:before{content:"—";position:absolute;left:0}.kv{grid-template-columns:auto 1fr;gap:6px 12px;font-size:15px;display:grid}.kv dt{color:var(--color-muted)}.kv dd{margin:0}a{color:inherit;text-underline-offset:2px;text-decoration:underline}.mt-s{margin-top:10px}.mt-m{margin-top:16px}.mt-l{margin-top:24px}.mt-xl{margin-top:28px}.mt-0{margin-top:0}.strong{font-weight:600}.row-bottom{align-items:flex-end}