:root{
  --primary:#2c3e50;
  --accent:#3498db;
  --bg:#f4f6f9;
  --line:#e3e8ef;
  --text:#2f3542;
  --muted:#7c8797;
  --ok:#27ae60;
  --err:#e74c3c;
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei',sans-serif;background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
code{background:#eef2f7;padding:1px 6px;border-radius:4px;font-size:.92em}
h1,h2,h3{color:var(--primary);line-height:1.35}

/* ---------- 登录页 ---------- */
.auth-body{background:linear-gradient(135deg,#2c3e50 0%,#34495e 55%,#3498db 130%);min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}
.auth-wrap{width:100%;max-width:410px}
.auth-card{background:#fff;border-radius:16px;padding:36px 32px 28px;box-shadow:0 18px 50px rgba(15,35,60,.28)}
.auth-head{text-align:center;margin-bottom:22px}
.auth-logo{font-size:36px;line-height:1;margin-bottom:8px}
.auth-head h1{font-size:21px;margin-bottom:4px}
.auth-head p{color:var(--muted);font-size:13px}
.auth-card label{display:block;font-size:13px;color:var(--muted);margin-bottom:14px}
.auth-card input{display:block;width:100%;margin-top:6px;padding:11px 13px;border:1px solid var(--line);border-radius:9px;font-size:15px;color:var(--text);outline:none;transition:.2s;background:#fbfcfe}
.auth-card input:focus{border-color:var(--accent);background:#fff;box-shadow:0 0 0 3px rgba(52,152,219,.14)}
.btn{display:inline-block;background:var(--accent);color:#fff;border:none;border-radius:9px;padding:11px 20px;font-size:15px;cursor:pointer;transition:.2s;text-align:center}
.btn:hover{background:#2980b9}
.btn-block{width:100%;padding:12px;font-size:15px;font-weight:600;letter-spacing:2px}
.btn-sm{padding:5px 12px;font-size:13px;border-radius:7px}
.btn-gray{background:#8b98a8}
.btn-gray:hover{background:#778394}
.btn-red{background:var(--err)}
.btn-red:hover{background:#c0392b}
.auth-tip{margin-top:18px;font-size:12.5px;color:var(--muted);text-align:center;line-height:1.7}
.auth-back{margin-top:10px;text-align:center;font-size:13px}

/* ---------- 提示条 ---------- */
.alert{padding:11px 14px;border-radius:9px;font-size:13.5px;margin-bottom:16px}
.alert.ok{background:#eafaf0;color:#1e7d4b;border:1px solid #bfe8d0}
.alert.err{background:#fdecea;color:#a83226;border:1px solid #f5c6c0}

/* ---------- 顶栏 ---------- */
.topbar{background:var(--primary);color:#fff;padding:0 24px;box-shadow:0 2px 12px rgba(0,0,0,.12);position:sticky;top:0;z-index:50}
.topbar-in{max-width:1080px;margin:0 auto;height:60px;display:flex;align-items:center;gap:16px}
.topbar .brand{font-weight:600;font-size:16px;display:flex;align-items:center;gap:8px;white-space:nowrap}
.topbar .spacer{flex:1}
.topbar .who{font-size:13px;color:#c6d2de;text-align:right;line-height:1.45}
.topbar .who b{color:#fff;font-weight:600}
.topbar a.logout{color:#c6d2de;font-size:13px;border:1px solid rgba(255,255,255,.28);padding:5px 12px;border-radius:20px;white-space:nowrap}
.topbar a.logout:hover{background:rgba(255,255,255,.12);color:#fff;text-decoration:none}

.wrap{max-width:1080px;margin:0 auto;padding:26px 24px 60px}
.page-title{font-size:21px;margin-bottom:6px}
.page-sub{color:var(--muted);font-size:13.5px;margin-bottom:20px}

/* ---------- 卡片 / 面板 ---------- */
.card-box{background:#fff;border-radius:14px;padding:24px;box-shadow:0 2px 12px rgba(20,40,70,.06);margin-bottom:22px}
.card-box h2{font-size:17px;margin-bottom:14px}
.hint{color:var(--muted);font-size:13.5px;margin-bottom:16px;line-height:1.75}
.card-box label{display:block;font-size:13px;color:var(--muted);margin-bottom:14px;max-width:420px}
.card-box input[type=text],.card-box input[type=password],.card-box input[type=file],.card-box select{display:block;width:100%;margin-top:6px;padding:10px 12px;border:1px solid var(--line);border-radius:9px;font-size:14.5px;background:#fbfcfe;outline:none}
.card-box input:focus{border-color:var(--accent);background:#fff}

/* ---------- 面包屑 ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:13.5px;color:var(--muted);margin-bottom:14px}
.crumb a{color:var(--accent)}

/* ---------- 列表 ---------- */
.list{list-style:none;border:1px solid var(--line);border-radius:11px;overflow:hidden;background:#fff}
.list li{display:flex;align-items:center;gap:12px;padding:12px 16px;border-top:1px solid var(--line);font-size:14px}
.list li:first-child{border-top:none}
.list li .ico{width:22px;text-align:center;flex:none;font-size:16px}
.list li .nm{flex:1;word-break:break-all}
.list li .nm a{font-weight:500}
.list li .meta{color:var(--muted);font-size:12.5px;white-space:nowrap}
.list .empty{padding:26px;text-align:center;color:var(--muted);font-size:13.5px}

/* ---------- 表格 ---------- */
.tbl{width:100%;border-collapse:collapse;background:#fff;font-size:13.5px}
.tbl th,.tbl td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}
.tbl th{background:#f7f9fc;color:var(--muted);font-weight:600;font-size:12.5px;white-space:nowrap}
.tbl tr:hover td{background:#fafcff}
.tbl .uid{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12.5px}
.badge{display:inline-block;font-size:11.5px;padding:2px 8px;border-radius:20px;background:#eef2f7;color:#5b6b7f}
.badge.ok{background:#eafaf0;color:#1e7d4b}
.badge.warn{background:#fff4e5;color:#b26a00}
.badge.admin{background:#e8f0fe;color:#1a56b8}
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:11px;background:#fff}

/* ---------- 标签页 ---------- */
.tabs{display:flex;gap:8px;margin-bottom:18px;border-bottom:1px solid var(--line)}
.tabs a{padding:9px 16px;font-size:14px;color:var(--muted);border-bottom:2px solid transparent;margin-bottom:-1px}
.tabs a.on{color:var(--primary);font-weight:600;border-bottom-color:var(--accent)}
.tabs a:hover{text-decoration:none;color:var(--primary)}

/* ---------- 工具栏 ---------- */
.toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:flex-end;margin-bottom:16px}
.toolbar .fld label{display:block;font-size:12.5px;color:var(--muted);margin-bottom:5px}
.toolbar input[type=text]{padding:9px 12px;border:1px solid var(--line);border-radius:9px;font-size:14px;background:#fbfcfe;outline:none;min-width:200px}
.toolbar input[type=file]{padding:7px 10px;border:1px dashed #cfd8e3;border-radius:9px;font-size:13px;background:#fbfcfe;max-width:280px}
.inline-form{display:inline}
.row-actions{display:flex;gap:6px;flex-wrap:wrap}
.note{font-size:12.5px;color:var(--muted);margin-top:10px}
.sec-title{font-size:15px;color:var(--primary);margin:0 0 10px}