:root{--bg: #f4f5f7;--card: #ffffff;--ink: #1a1a2e;--muted: #6b7280;--line: #e6e8ec;--brand: #4f46e5;--brand-dark: #4338ca;--ok: #137333;--ok-bg: #e6f4ea;--warn: #b45309;--warn-bg: #fef3c7;--err: #c0392b;--err-bg: #fde8e8}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--ink);font-size:14px}a{color:var(--brand);text-decoration:none}.layout{display:flex;min-height:100vh}.sidebar{width:220px;background:#15162a;color:#cbd0e0;padding:20px 0;flex-shrink:0}.sidebar .brand{font-size:16px;font-weight:700;color:#fff;padding:0 22px 20px}.nav-item{display:block;padding:11px 22px;color:#cbd0e0;cursor:pointer;border-left:3px solid transparent}.nav-item:hover{background:#ffffff0d;color:#fff}.nav-item.active{background:#4f46e52e;border-left-color:var(--brand);color:#fff}.main{flex:1;display:flex;flex-direction:column;min-width:0}.topbar{height:56px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 24px}.content{padding:24px;flex:1}.card{background:var(--card);border-radius:10px;padding:20px 22px;box-shadow:0 1px 3px #0000000f;margin-bottom:20px}.card h3{margin:0 0 16px;font-size:15px}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:16px;margin-bottom:20px}.stat{background:var(--card);border-radius:10px;padding:18px 20px;box-shadow:0 1px 3px #0000000f}.stat .label{color:var(--muted);font-size:13px}.stat .value{font-size:26px;font-weight:700;margin-top:6px}label{display:block;font-size:13px;color:var(--muted);margin:10px 0 4px}input,select{width:100%;padding:9px 11px;border:1px solid #d0d3da;border-radius:7px;font-size:14px;font-family:inherit}.row{display:flex;gap:12px}.row>div{flex:1}button{background:var(--brand);color:#fff;border:0;border-radius:7px;padding:9px 16px;font-size:14px;cursor:pointer;font-weight:500}button:hover{background:var(--brand-dark)}button.secondary{background:#6b7280}button.secondary:hover{background:#4b5563}button.danger{background:var(--err)}button.sm{padding:4px 10px;font-size:12px}table{width:100%;border-collapse:collapse;font-size:13px}th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line)}th{color:var(--muted);font-weight:500}tbody tr:hover{background:#fafbfc}.badge{display:inline-block;padding:2px 9px;border-radius:10px;font-size:12px}.badge.active,.badge.paid{background:var(--ok-bg);color:var(--ok)}.badge.free{background:#eef;color:var(--brand)}.badge.disabled{background:var(--err-bg);color:var(--err)}.badge.cooldown{background:var(--warn-bg);color:var(--warn)}.muted{color:var(--muted)}.err{color:var(--err)}.ok{color:var(--ok)}.login-wrap{display:flex;align-items:center;justify-content:center;min-height:100vh}.login-box{background:#fff;padding:32px;border-radius:12px;box-shadow:0 4px 20px #0000001a;width:340px}.login-box h2{margin:0 0 4px}.login-box p{margin:0 0 20px;color:var(--muted);font-size:13px}.full-btn{width:100%;margin-top:18px}.toolbar{display:flex;gap:12px;align-items:flex-end;margin-bottom:16px}.pagination{display:flex;gap:8px;align-items:center;margin-top:16px}