:root{color-scheme:light;--bg: #f5f7fb;--panel: #ffffff;--ink: #1d2733;--muted: #687385;--line: #d8e0ea;--accent: #0f766e;--accent-strong: #0b5f59;--danger: #b42318;--danger-soft: #fff1f0;--ok: #087443;--soft: #edf7f6;--shadow: 0 18px 44px rgba(29, 41, 57, .08);font-family:Microsoft YaHei,PingFang SC,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:var(--bg);color:var(--ink)}button,input,textarea,select{font:inherit}button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:40px;border:1px solid var(--line);border-radius:7px;padding:0 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p{margin-top:8px;color:var(--muted);line-height:1.6}.admin-link{display:inline-flex;align-items:center;justify-content:center;min-height:40px;border:1px solid var(--line);border-radius:7px;padding:0 14px;background:#fff;color:var(--ink);font-weight:650;text-decoration:none}.admin-link:hover{border-color:var(--accent)}.public-grid{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:16px;align-items:start}.public-result{display:grid;gap:14px}.public-code{min-height:76px;background:var(--soft);border-color:#c8e5df;color:var(--accent-strong);font-size:clamp(42px,8vw,62px);font-weight:800;font-variant-numeric:tabular-nums}.public-countdown{margin-bottom:4px}.topbar{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:18px}.topbar p{margin-top:8px;color:var(--muted)}.top-actions,.button-row,.toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:10px}.toolbar{margin-bottom:16px}.search-box{display:grid;grid-template-columns:auto 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span{margin-top:4px;color:var(--muted);font-size:14px}.code-button{min-height:48px;background:var(--soft);border-color:#c8e5df;color:var(--accent-strong);font-size:24px;font-weight:800;font-variant-numeric:tabular-nums}.countdown{display:grid;grid-template-columns:1fr auto;align-items:center;gap:8px;color:var(--muted);font-size:13px}progress{width:100%;height:9px;overflow:hidden;border:0;border-radius:999px;background:#e2e8f0}progress::-webkit-progress-bar{background:#e2e8f0}progress::-webkit-progress-value{background:var(--accent)}progress::-moz-progress-bar{background:var(--accent)}.row-actions{display:flex;gap:6px}.empty{display:grid;min-height:180px;place-items:center;color:var(--muted)}.empty.small{min-height:80px}.log-list{display:grid;gap:8px;max-height:560px;overflow:auto}.log-row{border-bottom:1px solid var(--line);padding:8px 0}.log-row strong,.log-row span{display:block}.log-row span{margin-top:4px;color:var(--muted);font-size:13px}.modal-backdrop{position:fixed;inset:0;z-index:20;display:grid;place-items:center;overflow:auto;padding:24px;background:#0f172a7a}.modal,.form-panel{width:min(680px,100%);padding:18px}.compact-modal{width:min(460px,100%)}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.button-row{margin-top:16px}.import-box{min-height:260px;font-family:Consolas,Monaco,monospace;font-size:13px}.qr-box{display:grid;min-height:270px;place-items:center;border:1px dashed var(--line);border-radius:8px}.uri-text{margin-top:12px;overflow-wrap:anywhere;color:var(--muted);font-family:Consolas,Monaco,monospace;font-size:12px;line-height:1.5}@media(max-width:920px){.topbar,.main-grid,.public-header,.public-grid{display:block}.top-actions,.toolbar{margin-top:14px}.log-panel,.public-result{margin-top:16px}.totp-row{grid-template-columns:1fr}.countdown{grid-template-columns:1fr 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