:root{
  --bg:#0f1115; --card:#161920; --card2:#1b1f28; --line:#262b36;
  --text:#e6e8ee; --muted:#8b93a5; --accent:#4f7cff; --accent2:#6b8fff;
  --ok:#22c55e; --warn:#f59e0b; --bad:#ef4444; --radius:14px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg);color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:14px;line-height:1.6;min-height:100vh;
}
a{color:var(--accent);text-decoration:none}
a:hover{color:var(--accent2)}
.container{max-width:1180px;margin:0 auto;padding:24px}
.narrow{max-width:460px}

nav.top{display:flex;align-items:center;gap:20px;padding:14px 24px;border-bottom:1px solid var(--line);background:rgba(15,17,21,.9);position:sticky;top:0;z-index:10;backdrop-filter:blur(8px)}
nav.top .brand{font-weight:600;font-size:15px;letter-spacing:.5px}
nav.top .brand span{color:var(--accent)}
nav.top .links{display:flex;gap:18px;font-size:13px}
nav.top .right{margin-left:auto;display:flex;gap:12px;align-items:center;font-size:13px}
nav.top a{color:var(--muted)}
nav.top a.active,nav.top a:hover{color:var(--text)}

h1{font-size:22px;margin:0 0 6px;font-weight:600}
h2{font-size:17px;margin:0 0 12px;font-weight:600}
h3{font-size:14px;margin:0 0 8px;font-weight:600}
.muted{color:var(--muted)}
.small{font-size:12px}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}

.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;overflow-x:auto}
.card+.card{margin-top:16px}
.grid{display:grid;gap:16px}
.grid.cols-3{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.grid.cols-2{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}
.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.between{display:flex;justify-content:space-between;align-items:center;gap:12px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:9px 16px;border-radius:10px;
  border:1px solid var(--line);background:var(--card2);color:var(--text);font-size:13px;cursor:pointer;transition:.15s;font-family:inherit}
.btn:hover{border-color:#39414f;background:#20242e}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.primary:hover{background:var(--accent2);border-color:var(--accent2)}
.btn.ghost{background:transparent}
.btn.sm{padding:5px 10px;font-size:12px;border-radius:8px}
.btn.danger{color:#ffb4b4;border-color:#5a2a2a;background:#241618}
.btn.danger:hover{background:#2e1a1c}
.btn[disabled]{opacity:.45;cursor:not-allowed}

input,select,textarea{width:100%;padding:10px 12px;border-radius:10px;border:1px solid var(--line);
  background:#11141a;color:var(--text);font-size:13px;font-family:inherit;outline:none}
input:focus,select:focus,textarea:focus{border-color:var(--accent)}
label{display:block;font-size:12px;color:var(--muted);margin:0 0 6px}
.field{margin-bottom:14px}

table{width:100%;border-collapse:collapse;font-size:13px}
th{text-align:left;color:var(--muted);font-weight:500;font-size:12px;padding:10px 12px;border-bottom:1px solid var(--line);white-space:nowrap}
td{padding:11px 12px;border-bottom:1px solid #1e232c;vertical-align:middle}
tr:last-child td{border-bottom:none}
tbody tr:hover{background:#141821}

.badge{display:inline-flex;align-items:center;gap:4px;padding:2px 9px;border-radius:999px;font-size:11px;border:1px solid var(--line);color:var(--muted);background:#141821}
.badge.ok{color:#7ee2a8;border-color:#1f4d33;background:#12241a}
.badge.warn{color:#fbd38d;border-color:#5a421a;background:#241d10}
.badge.bad{color:#ffb4b4;border-color:#5a2a2a;background:#241618}
.badge.info{color:#a9c2ff;border-color:#233a6b;background:#131a2b}

.progress{height:8px;border-radius:999px;background:#1e232c;overflow:hidden}
.progress>i{display:block;height:100%;background:linear-gradient(90deg,#4f7cff,#7aa2ff)}

.stat{font-size:24px;font-weight:600;letter-spacing:.5px}
.kv{display:flex;justify-content:space-between;padding:6px 0;font-size:13px}
.kv span:first-child{color:var(--muted)}

.plan{border:1px solid var(--line);border-radius:var(--radius);padding:20px;background:var(--card);display:flex;flex-direction:column;gap:10px}
.plan .price{font-size:26px;font-weight:600}
.plan .price small{font-size:13px;color:var(--muted);font-weight:400}
.plan ul{list-style:none;padding:0;margin:0;font-size:13px;color:#c3c9d6}
.plan li{padding:3px 0}
.plan li::before{content:"·";color:var(--accent);margin-right:8px}
.plan.current{border-color:#2f4a8a;box-shadow:0 0 0 1px #2f4a8a inset}

.alert{padding:10px 14px;border-radius:10px;font-size:13px;margin-bottom:14px;border:1px solid}
.alert.err{color:#ffc9c9;background:#241618;border-color:#5a2a2a}
.alert.ok{color:#b7f7cf;background:#12241a;border-color:#1f4d33}

.empty{text-align:center;color:var(--muted);padding:36px 0;font-size:13px}
.toolbar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:14px}
.toolbar form{display:flex;gap:8px;flex-wrap:wrap}
.toolbar input,.toolbar select{width:auto;min-width:150px}

.tag{display:inline-block;padding:1px 8px;border-radius:6px;background:#1d2230;border:1px solid #2b3242;font-size:11px;color:#9aa4ba;margin-right:4px}
.linkbox{display:flex;gap:8px;align-items:center;background:#11141a;border:1px solid var(--line);border-radius:10px;padding:8px 10px;font-size:12px}
.linkbox input{background:transparent;border:none;padding:0;font-family:ui-monospace,Menlo,monospace;color:#aab3c5}

.modal-bg{position:fixed;inset:0;background:rgba(0,0,0,.6);display:none;align-items:center;justify-content:center;z-index:50;padding:20px}
.modal-bg.open{display:flex}
.modal{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px;width:100%;max-width:440px;max-height:80vh;overflow:auto;overscroll-behavior:contain}
.modal h2{margin-bottom:16px}

/* toast */
.toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%) translateY(20px);
  background:#1e232e;border:1px solid var(--line);color:var(--text);padding:10px 18px;border-radius:10px;
  font-size:13px;opacity:0;pointer-events:none;transition:.2s;z-index:99}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.toast.err{border-color:#5a2a2a;color:#ffc9c9;background:#241618}

.alert-card{border-color:#5a2a2a;background:#241618}
.alert-card h2{color:#ffb4b4}
.alert-card .btn.primary{background:#ff6b6b;color:#1a0d0d}

.modal::-webkit-scrollbar{width:8px}
.modal::-webkit-scrollbar-thumb{background:#2a3040;border-radius:4px}
.card::-webkit-scrollbar{height:8px}
.card::-webkit-scrollbar-thumb{background:#2a3040;border-radius:4px}