:root {
  --bg: #f5f6f8;
  --panel: #ffffff;
  --border: #e4e7ec;
  --text: #1a1d24;
  --muted: #6b7280;
  --primary: #4f7cff;
  --primary-soft: #eef3ff;
  --green: #22c55e;
  --amber: #f59e0b;
  --red: #ef4444;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(16,24,40,.06), 0 1px 2px rgba(16,24,40,.04);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 14px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 1280px; margin: 0 auto; padding: 24px 20px 60px; }

/* ---------- 顶栏 ---------- */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; flex-wrap: wrap; margin-bottom: 20px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.logo {
  width: 42px; height: 42px; border-radius: 11px;
  background: linear-gradient(135deg, #4f7cff, #6f4fff);
  color: #fff; display: grid; place-items: center;
  font-size: 20px; font-weight: 700; letter-spacing: 1px;
}
.topbar h1 { font-size: 18px; margin: 0; font-weight: 650; letter-spacing: -.2px; }
.topbar .sub { margin: 1px 0 0; font-size: 12px; color: var(--muted); }
.auth { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

input {
  border: 1px solid var(--border); border-radius: 8px;
  padding: 7px 11px; font-size: 13px; background: #fff; color: var(--text);
  font-family: inherit; outline: none; min-width: 200px;
}
input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(79,124,255,.12); }
input.grow { flex: 1; }

.btn {
  border: 1px solid var(--border); background: #fff; color: var(--text);
  padding: 7px 14px; border-radius: 8px; font-size: 13px; cursor: pointer;
  font-family: inherit; font-weight: 500; transition: all .15s;
}
.btn:hover { background: #f9fafb; border-color: #d4d8de; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.primary:hover { background: #3f6cf0; }
.btn.small { padding: 4px 10px; font-size: 12px; }
.btn.danger { color: var(--red); border-color: #fecaca; }
.btn.danger:hover { background: #fef2f2; }

/* ---------- 提示条 ---------- */
.banner {
  padding: 11px 14px; border-radius: var(--radius); margin-bottom: 16px;
  font-size: 13px; border: 1px solid;
}
.banner.info { background: var(--primary-soft); border-color: #c9dbff; color: #1e40af; }
.banner.error { background: #fef2f2; border-color: #fecaca; color: #991b1b; }
.banner.ok { background: #f0fdf4; border-color: #bbf7d0; color: #166534; }
.hidden { display: none !important; }

/* ---------- KPI ---------- */
.kpis {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px; margin-bottom: 16px;
}
.kpi {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 15px 17px; box-shadow: var(--shadow);
}
.kpi .label { font-size: 12px; color: var(--muted); margin-bottom: 5px; }
.kpi .value { font-size: 23px; font-weight: 660; letter-spacing: -.4px; }
.kpi .value small { font-size: 13px; font-weight: 500; color: var(--muted); margin-left: 3px; }
.kpi .sub { font-size: 11.5px; color: var(--muted); margin-top: 3px; }

/* ---------- 卡片 ---------- */
.card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 17px 19px;
  box-shadow: var(--shadow); margin-bottom: 16px;
}
.card-head {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; margin-bottom: 14px; flex-wrap: wrap;
}
.card-head h2 { font-size: 14.5px; margin: 0; font-weight: 620; }
.hint { font-size: 12px; color: var(--muted); }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 900px) { .grid-2 { grid-template-columns: 1fr; } }

/* ---------- 图表 ---------- */
.chart { height: 210px; display: flex; align-items: flex-end; gap: 3px; padding-top: 10px; }
.bar-group { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 4px; min-width: 0; }
.bars { flex: 1; width: 100%; display: flex; align-items: flex-end; justify-content: center; gap: 2px; }
.bar { width: 30%; max-width: 13px; min-height: 2px; border-radius: 3px 3px 0 0; transition: height .3s; }
.bar.req { background: #4f7cff; }
.bar.tok { background: #22c55e; }
.bar.cost { background: #f59e0b; }
.bar-label { font-size: 9.5px; color: var(--muted); white-space: nowrap; transform: rotate(-38deg); transform-origin: center; height: 20px; }
.legend { display: flex; gap: 16px; margin-top: 12px; font-size: 12px; color: var(--muted); flex-wrap: wrap; }
.legend .dot { display: inline-block; width: 9px; height: 9px; border-radius: 2px; margin-right: 5px; }

/* ---------- 模型分布 ---------- */
.breakdown { display: flex; flex-direction: column; gap: 11px; }
.mrow { display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; align-items: center; }
.mname { font-size: 12.5px; font-weight: 500; font-family: ui-monospace, "SF Mono", Consolas, monospace; }
.mval { font-size: 12px; color: var(--muted); }
.mtrack { grid-column: 1 / -1; height: 6px; background: #f0f2f5; border-radius: 3px; overflow: hidden; }
.mfill { height: 100%; background: linear-gradient(90deg, #4f7cff, #6f4fff); border-radius: 3px; }

/* ---------- 表格 ---------- */
.table-scroll { max-height: 340px; overflow: auto; }
.table-scroll.short { max-height: 260px; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 8px 10px; text-align: left; border-bottom: 1px solid #f0f2f5; white-space: nowrap; }
th {
  font-size: 11.5px; font-weight: 600; color: var(--muted); text-transform: uppercase;
  letter-spacing: .3px; position: sticky; top: 0; background: var(--panel); z-index: 1;
}
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tbody tr:hover { background: #fafbfc; }
.empty { text-align: center; color: var(--muted); padding: 28px 0; font-size: 13px; }

.pill {
  display: inline-block; padding: 2px 8px; border-radius: 20px;
  font-size: 11.5px; font-weight: 500;
}
.pill.on { background: #dcfce7; color: #15803d; }
.pill.off { background: #fee2e2; color: #b91c1c; }
.pill.code { background: #f1f3f5; color: #495057; font-family: ui-monospace, Consolas, monospace; }

/* ---------- 代码块 ---------- */
.code-block { margin-bottom: 14px; }
.code-block:last-child { margin-bottom: 0; }
.code-head {
  font-size: 12px; font-weight: 600; color: var(--muted);
  margin-bottom: 6px; text-transform: uppercase; letter-spacing: .3px;
}
pre {
  background: #f8f9fb; border: 1px solid var(--border); border-radius: 9px;
  padding: 13px 15px; overflow-x: auto; margin: 0;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 12.5px; line-height: 1.7;
}
code { font-family: inherit; }

/* ---------- 自助视图 ---------- */
.row { display: flex; gap: 8px; align-items: center; margin-bottom: 14px; flex-wrap: wrap; }
.my-usage { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; }
.mini {
  border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px; background: #fbfcfd;
}
.mini .label { font-size: 11.5px; color: var(--muted); }
.mini .value { font-size: 19px; font-weight: 620; margin-top: 2px; }

/* ---------- 弹窗 ---------- */
.modal {
  position: fixed; inset: 0; background: rgba(16,24,40,.45);
  display: grid; place-items: center; z-index: 50; padding: 20px;
}
.modal-box {
  background: #fff; border-radius: 14px; padding: 22px 24px;
  width: 100%; max-width: 440px; box-shadow: 0 20px 50px rgba(16,24,40,.22);
}
.modal-box h3 { margin: 0 0 16px; font-size: 16px; }
.form { display: flex; flex-direction: column; gap: 11px; }
.form label { display: flex; flex-direction: column; gap: 4px; font-size: 12.5px; color: var(--muted); }
.form input { width: 100%; }
.form-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 11px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 18px; }
.new-key {
  margin-top: 15px; padding: 12px 14px; background: #f0fdf4;
  border: 1px solid #bbf7d0; border-radius: 9px; font-size: 12.5px;
}
.new-key .k {
  font-family: ui-monospace, Consolas, monospace; font-size: 13px;
  background: #fff; padding: 6px 9px; border-radius: 6px;
  display: block; margin: 6px 0; word-break: break-all; border: 1px solid #d1fae5;
}
.new-key .warn { color: #b45309; font-size: 12px; }

@media (max-width: 640px) {
  .wrap { padding: 16px 12px 40px; }
  .auth input { min-width: 150px; }
}