:root{--bg: #f5f6f8;--panel: #ffffff;--border: #e5e6eb;--text: #1f2329;--muted: #646a73;--brand: #3370ff;--brand-weak: #eef3ff;--danger: #d43030;--ok: #0f7b3e;--radius: 10px;color-scheme:light}@media(prefers-color-scheme:dark){:root{--bg: #15171c;--panel: #1e2128;--border: #2c3038;--text: #e6e8eb;--muted: #9aa0a8;--brand: #5b8bff;--brand-weak: #1d2740;color-scheme:dark}}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.6}a{color:var(--brand);text-decoration:none}button{font:inherit;cursor:pointer;border-radius:8px;border:1px solid var(--border);background:var(--panel);color:var(--text);padding:7px 14px;transition:border-color .15s,background 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var(--border)}.tag.ok{background:#e8f7ee;color:var(--ok)}.tag.warn{background:#fff7e6;color:#b26a00}.actions{display:flex;gap:8px;flex-wrap:wrap}.toast{position:fixed;top:18px;left:50%;transform:translate(-50%);padding:10px 18px;border-radius:8px;background:var(--panel);border:1px solid var(--border);box-shadow:0 6px 20px #0000001f;z-index:100;max-width:90vw}.toast.error{border-color:var(--danger);color:var(--danger)}.toast.success{border-color:var(--ok);color:var(--ok)}.modal-mask{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;display:flex;align-items:flex-start;justify-content:center;padding:40px 16px;overflow-y:auto;z-index:90}.modal{background:var(--panel);border-radius:var(--radius);border:1px solid var(--border);width:100%;max-width:520px;padding:20px}.modal h2{margin:0 0 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