:root{--bg: #ffffff;--surface: #f7f7f8;--text: #1a1a1a;--muted: #6b7280;--border: #e3e3e6;--accent: #9A1919;--ok: #228b22;--bad: #e02424;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color-scheme:light}:root[data-theme=dark]{--bg: #121214;--surface: #1c1c20;--text: #ededed;--muted: #9aa0a6;--border: #2c2c31;--accent: #9A1919;--ok: #3fb950;--bad: #f85149;color-scheme:dark}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}.app{max-width:720px;margin:0 auto;padding:24px 20px 96px;min-height:100vh}button{font:inherit;cursor:pointer;border-radius:8px;border:1px solid var(--border);background:var(--surface);color:var(--text);padding:10px 16px}button.primary{background:var(--accent);border-color:var(--accent);color:#fff}button.secondary{background:var(--surface);border-color:var(--border);color:var(--text)}button.secondary:disabled{opacity:.4;cursor:not-allowed}button.primary.retry{display:block;width:100%;padding:14px 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.5rem;text-align:left}.info-explain{font-size:.85rem;margin-top:.5rem}.link-btn{background:none;border:none;color:var(--accent, inherit);cursor:pointer;font:inherit;padding:.25rem 0}.sugg-toggle{display:inline-flex;align-items:center;gap:.5rem;cursor:pointer;font:inherit;font-weight:600;color:var(--fg, inherit);padding:.45rem .9rem;border:1.5px solid color-mix(in srgb,currentColor 35%,transparent);border-radius:8px;background:none;transition:background .15s ease,border-color .15s ease}.sugg-toggle:hover{background:#7f7f7f14}.sugg-toggle.is-official{border-color:#22c55e;background:#22c55e1a}.sugg-toggle.is-official .sugg-toggle-caret{color:#22c55e}.sugg-toggle.is-unofficial{border-color:#f59e0b;background:#f59e0b1a}.sugg-toggle.is-unofficial .sugg-toggle-caret{color:#f59e0b}.sugg-toggle-caret{font-size:.85em;line-height:1;transition:transform .18s ease}.sugg-toggle-caret.is-open{transform:rotate(180deg)}.mode-switch{position:fixed;top:14px;left:50%;transform:translate(-50%);z-index:6;display:inline-flex;padding:3px;border-radius:999px;background:color-mix(in srgb,var(--card, #1c1c24) 80%,transparent);border:1px solid color-mix(in srgb,var(--accent, #c62828) 45%,transparent);box-shadow:0 4px 16px #00000059;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.mode-switch-opt{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;background:none;cursor:pointer;font:inherit;font-weight:600;font-size:.85rem;letter-spacing:.02em;color:var(--fg, #e8e8ea);opacity:.7;padding:.4em 1.15em;border-radius:999px;transition:background .18s ease,color .18s ease,opacity .18s ease}.mode-switch-opt:hover{opacity:1}.mode-switch-opt.is-active{background:var(--accent, #c62828);color:#fff;opacity:1;box-shadow:0 2px 8px color-mix(in srgb,var(--accent, #c62828) 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