:root{--brand: #4f46e5;--brand-d: #4338ca;--brand-light: #eef2ff;--bg: #f6f7f9;--card: #ffffff;--border: #e5e7eb;--text: #111827;--muted: #6b7280;--teal: #0d9488;--success-bg: #dcfce7;--success-fg: #15803d;--danger: #dc2626;--danger-bg: #fef2f2;--sidebar: #1e293b;--sidebar-muted: #94a3b8;--radius: 10px;--shadow: 0 1px 3px rgba(0, 0, 0, .07), 0 1px 2px rgba(0, 0, 0, .04)}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,PingFang SC,sans-serif;font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}h1,h2,h3{margin:0;font-weight:600}.app{display:flex;min-height:100vh}.sidebar{width:220px;background:var(--sidebar);color:#fff;display:flex;flex-direction:column;padding:20px 14px;position:sticky;top:0;height:100vh}.brand{display:flex;align-items:center;gap:9px;font-size:16px;font-weight:700;letter-spacing:.3px;padding:6px 10px 22px}.brand .dot{width:9px;height:9px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px #4f46e547}.nav-link{display:block;width:100%;text-align:left;padding:9px 12px;margin-bottom:2px;border:none;background:none;font:inherit;cursor:pointer;border-radius:8px;color:var(--sidebar-muted);text-decoration:none;font-weight:500;transition:.15s}.nav-link:hover{background:#ffffff0f;color:#fff}.nav-link.active{background:var(--brand);color:#fff}.sidebar-foot{margin-top:auto;padding-top:16px;border-top:1px solid rgba(255,255,255,.08)}.sidebar-user{font-size:12px;color:var(--sidebar-muted);padding:0 12px 10px}.main{flex:1;padding:32px 40px;max-width:1040px}.page-head{margin-bottom:18px}.page-head h2{font-size:22px}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px;margin-bottom:18px}.card-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:14px}.card-head h2{font-size:15px;font-weight:600}.topbar{display:flex;gap:16px;align-items:flex-end;flex-wrap:wrap}.field{display:flex;flex-direction:column;gap:5px;font-size:12px;color:var(--muted)}input,select{font:inherit;padding:9px 11px;border:1px solid var(--border);border-radius:8px;background:#fff;color:var(--text);outline:none;transition:.15s}input:focus,select:focus{border-color:var(--brand);box-shadow:0 0 0 3px #4f46e526}input::placeholder{color:#9ca3af}button{font:inherit;font-weight:500;cursor:pointer;border:1px solid transparent;border-radius:8px;padding:9px 16px;transition:.15s;background:var(--brand);color:#fff}button:hover{background:var(--brand-d)}button:disabled{opacity:.6;cursor:default}.btn-ghost{background:#fff;color:var(--text);border-color:var(--border)}.btn-ghost:hover{background:#f9fafb}.btn-sm{padding:5px 11px;font-size:12px}.metric{font-size:30px;font-weight:600;letter-spacing:-.5px}.metric small{font-size:14px;color:var(--muted);font-weight:400;margin-left:6px}.seg-rule{display:flex;gap:8px;align-items:center;margin-bottom:8px}.hint{font-size:13px;color:var(--muted);margin:0 0 12px}.dtable{width:100%;border-collapse:separate;border-spacing:0;font-size:13px}.dtable th{text-align:left;font-size:12px;font-weight:600;color:var(--muted);padding:0 12px 10px;border-bottom:1px solid var(--border)}.dtable td{padding:12px;border-bottom:1px solid #f1f3f5}.dtable tbody tr:last-child td{border-bottom:none}.pct{color:var(--success-fg);font-weight:500}details summary{cursor:pointer;font-size:13px;color:var(--brand)}.sample-box{font-size:12px;color:#555;max-height:180px;overflow:auto;margin-top:8px;background:#f9fafb;border:1px solid var(--border);border-radius:8px;padding:10px;word-break:break-all}.alert{background:var(--danger-bg);color:var(--danger);border:1px solid #fecaca;padding:10px 14px;border-radius:8px;font-size:13px;margin-bottom:14px}.empty-state{color:#9ca3af;padding:48px;text-align:center;font-size:13px}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(1100px 460px at 50% -12%,#e9ecff,var(--bg))}.login-card{width:344px;background:#fff;border:1px solid var(--border);border-radius:14px;box-shadow:0 12px 32px #1118271a;padding:32px}.login-card h1{font-size:19px;margin-bottom:4px}.login-card .sub{color:var(--muted);font-size:13px;margin-bottom:22px}.login-card form{display:flex;flex-direction:column;gap:12px}.login-card input{width:100%}.login-card button{width:100%;padding:11px;margin-top:4px}.loading{padding:64px;text-align:center;color:#9ca3af}