:root{
  --bg:#f5f6f8; --panel:#fff; --text:#1b1f24; --muted:#6b7280; --line:#e5e7eb;
  --primary:#2f6bff; --primary-weak:#eaf0ff; --ok:#0f9d58; --warn:#e08b00; --danger:#d93025;
  --radius:12px; --shadow:0 1px 2px rgba(16,24,40,.06),0 6px 20px rgba(16,24,40,.05);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;height:100%}
body{background:var(--bg);color:var(--text);font:14px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}
a{color:var(--primary);text-decoration:none}
button{font:inherit;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
.hidden{display:none !important}

/* ---------- 登录 ---------- */
.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(1200px 600px at 20% 0%,#e8efff 0%,transparent 60%),var(--bg)}
.auth-card{width:380px;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:28px;box-shadow:var(--shadow)}
.auth-card h1{margin:0 0 4px;font-size:20px}
.auth-card p.sub{margin:0 0 18px;color:var(--muted);font-size:13px}

/* ---------- 布局 ---------- */
.shell{display:flex;min-height:100vh}
.sidebar{width:224px;background:#fff;border-right:1px solid var(--line);padding:16px 12px;display:flex;flex-direction:column;gap:4px;position:sticky;top:0;height:100vh}
.brand{display:flex;align-items:center;gap:8px;padding:6px 8px 16px;font-weight:600;font-size:15px}
.brand .dot{width:10px;height:10px;border-radius:50%;background:var(--primary)}
.nav-item{display:flex;align-items:center;gap:8px;padding:9px 10px;border-radius:9px;color:#374151;font-size:13.5px}
.nav-item:hover{background:#f2f4f7}
.nav-item.active{background:var(--primary-weak);color:var(--primary);font-weight:600}
.nav-item .badge{margin-left:auto;background:#fdecea;color:var(--danger);border-radius:20px;padding:0 7px;font-size:11px;font-weight:600}
.sidebar .foot{margin-top:auto;font-size:12px;color:var(--muted);padding:8px}
.main{flex:1;min-width:0;padding:24px 28px 48px}
.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:18px}
.page-head h2{margin:0;font-size:19px}
.page-head p{margin:4px 0 0;color:var(--muted);font-size:13px}

/* ---------- 卡片 / 表格 ---------- */
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px}
.grid{display:grid;gap:14px}
.grid.c4{grid-template-columns:repeat(auto-fit,minmax(190px,1fr))}
.grid.c2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.stat .label{color:var(--muted);font-size:12.5px}
.stat .value{font-size:26px;font-weight:650;letter-spacing:-.02em;margin-top:2px}
.stat .hint{font-size:12px;color:var(--muted);margin-top:4px}
table{width:100%;border-collapse:collapse;font-size:13px}
th,td{padding:10px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}
th{color:var(--muted);font-weight:600;font-size:12.5px;background:#fafbfc}
tbody tr:hover{background:#fbfcff}
td.mono,.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12.5px}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:10px}
.table-wrap table{border-collapse:separate}
.table-wrap th{position:sticky;top:0;z-index:1}
.empty{padding:36px;text-align:center;color:var(--muted)}

/* ---------- 标签 / 按钮 ---------- */
.tag{display:inline-flex;align-items:center;gap:4px;padding:1px 8px;border-radius:20px;font-size:11.5px;font-weight:600;border:1px solid transparent}
.tag.ok{background:#e8f6ee;color:#0f7a45;border-color:#cdebd9}
.tag.warn{background:#fff6e5;color:#a86200;border-color:#ffe4b3}
.tag.danger{background:#fdecea;color:#b3261e;border-color:#f7cfcb}
.tag.info{background:#eaf0ff;color:#2352c4;border-color:#d6e0ff}
.tag.mute{background:#f1f2f4;color:#5b6472;border-color:#e3e5e9}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:7px 13px;border-radius:9px;border:1px solid var(--line);background:#fff;color:var(--text);font-size:13px;font-weight:500;transition:.15s}
.btn:hover{border-color:#c9ced6;background:#fbfbfd}
.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn.primary:hover{filter:brightness(.96)}
.btn.danger{color:var(--danger);border-color:#f2c9c5}
.btn.ghost{border-color:transparent;background:transparent;color:var(--primary);padding:4px 6px}
.btn.sm{padding:4px 9px;font-size:12px;border-radius:7px}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.btn-row{display:flex;gap:6px;flex-wrap:wrap}

/* ---------- 表单 ---------- */
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:12px}
.field label{font-size:12.5px;color:#414a57;font-weight:600}
.field .desc{font-size:12px;color:var(--muted)}
.input,select.input,textarea.input{width:100%;padding:9px 11px;border:1px solid var(--line);border-radius:9px;background:#fff;outline:none;transition:.15s}
.input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(47,107,255,.12)}
textarea.input{min-height:88px;resize:vertical;font-family:inherit}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.inline{display:flex;align-items:center;gap:8px}
.switch{position:relative;display:inline-block;width:38px;height:22px}
.switch input{display:none}
.switch span{position:absolute;inset:0;background:#d5d9e0;border-radius:20px;transition:.2s;cursor:pointer}
.switch span::after{content:"";position:absolute;width:16px;height:16px;left:3px;top:3px;background:#fff;border-radius:50%;transition:.2s}
.switch input:checked + span{background:var(--primary)}
.switch input:checked + span::after{transform:translateX(16px)}
.toolbar{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:14px}
.toolbar .input{max-width:240px}
.spacer{flex:1}

/* ---------- 弹层 ---------- */
.modal-mask{position:fixed;inset:0;background:rgba(17,24,39,.42);display:flex;align-items:flex-start;justify-content:center;padding:56px 16px;overflow:auto;z-index:50}
.modal{width:100%;max-width:640px;background:#fff;border-radius:14px;box-shadow:0 20px 60px rgba(16,24,40,.25);overflow:hidden}
.modal.wide{max-width:860px}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-bottom:1px solid var(--line)}
.modal-head h3{margin:0;font-size:16px}
.modal-body{padding:18px;max-height:66vh;overflow:auto}
.modal-foot{display:flex;justify-content:flex-end;gap:8px;padding:14px 18px;border-top:1px solid var(--line);background:#fcfcfd}
.close-x{border:0;background:transparent;font-size:20px;line-height:1;color:var(--muted)}

/* ---------- toast ---------- */
.toasts{position:fixed;right:18px;top:18px;display:flex;flex-direction:column;gap:8px;z-index:99}
.toast{padding:10px 14px;border-radius:10px;background:#111827;color:#fff;font-size:13px;box-shadow:0 10px 30px rgba(0,0,0,.18);animation:fade .2s ease}
.toast.ok{background:#0f7a45}.toast.err{background:#b3261e}
@keyframes fade{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}

/* ---------- 其它 ---------- */
.kv{display:grid;grid-template-columns:110px 1fr;gap:8px 12px;font-size:13px}
.kv .k{color:var(--muted)}
.code-box{background:#0f172a;color:#d5e3ff;border-radius:10px;padding:12px 14px;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:13px;letter-spacing:.04em;display:flex;align-items:center;justify-content:space-between;gap:12px}
.bars{display:flex;align-items:flex-end;gap:6px;height:120px;padding-top:8px}
.bar{flex:1;display:flex;flex-direction:column;justify-content:flex-end;gap:2px;min-width:8px}
.bar i{display:block;background:#c9d8ff;border-radius:3px 3px 0 0}
.bar.ok i{background:#2f6bff}
.bar.fail i{background:#f0a6a0}
.bar small{font-size:10px;color:var(--muted);text-align:center;white-space:nowrap}
.tips{font-size:12.5px;color:var(--muted);line-height:1.7}
.tips code{background:#f2f4f7;padding:1px 5px;border-radius:5px;font-size:12px}
@media(max-width:860px){
  .sidebar{display:none}
  .main{padding:16px}
  .form-row{grid-template-columns:1fr}
}