:root{--bg: #f4f6f8;--surface: #ffffff;--border: #dde3e8;--text: #1d2733;--text-2: #5b6b7a;--primary: #2563eb;--primary-dark: #1d4ed8;--teal: #0f766e;--amber: #b45309;--danger: #dc2626;--radius: 8px;--shadow: 0 1px 2px rgba(16, 24, 40, .06)}*{box-sizing:border-box}html,body,#app{margin:0;min-height:100vh}body{background:var(--bg);color:var(--text);font-family:Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;font-size:14px;line-height:1.6}.app-shell{display:flex;min-height:100vh}.sidebar{width:232px;flex-shrink:0;background:var(--surface);border-right:1px solid var(--border);padding:20px 14px;display:flex;flex-direction:column;gap:18px;position:sticky;top:0;height:100vh}.brand{display:flex;align-items:center;gap:10px;padding:4px 8px}.brand-mark{width:36px;height:36px;border-radius:var(--radius);background:var(--primary);color:#fff;display:grid;place-items:center;font-weight:700;font-size:18px}.brand strong{display:block;font-size:15px}.brand 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ease;white-space:nowrap}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-teal{background:var(--teal);color:#fff}.btn-teal:hover{background:#115e59}.btn-outline{border-color:var(--border);background:#fff}.btn-outline:hover{border-color:var(--primary);color:var(--primary)}.btn-ghost{border-color:var(--border);background:#fff;color:var(--text-2)}.btn-ghost:hover{color:var(--text);border-color:#b7c2cc}.btn-danger{background:#fee2e2;color:var(--danger)}.btn-block{width:100%}.badge{display:inline-flex;align-items:center;padding:3px 9px;border-radius:999px;background:#e8f0fe;color:var(--primary);font-size:12px;font-weight:600}.badge-teal{background:#d9f3ef;color:var(--teal)}.badge-amber{background:#fef3c7;color:var(--amber)}.badge-green{background:#dcfce7;color:#15803d}.empty{padding:32px;text-align:center;color:var(--text-2);background:var(--surface);border:1px dashed var(--border);border-radius:var(--radius)}.list{display:flex;flex-direction:column;gap:10px}.list-item{display:flex;align-items:center;gap:12px;padding:12px 14px;border:1px solid var(--border);border-radius:var(--radius);background:#fff}.list-item-main{flex:1;min-width:0}.list-item-title{font-weight:600}.list-item-sub{color:var(--text-2);font-size:12px}.progress-track{height:6px;border-radius:999px;background:#e7ecef;overflow:hidden}.progress-bar{height:100%;background:var(--primary);border-radius:999px;transition:width .25s ease}.progress-label{display:flex;justify-content:space-between;font-size:12px;color:var(--text-2);margin-bottom:6px}.text-danger{color:var(--danger);font-size:13px}.muted{color:var(--text-2)}.auth-screen{min-height:100vh;display:grid;place-items:center;padding:24px;background:linear-gradient(180deg,#f8fafc,#edf2f7)}.auth-card{width:100%;max-width:420px;padding:28px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:0 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