:root {
  --bg: #f4f6fb;
  --panel: #ffffff;
  --line: #e3e8f2;
  --text: #1c2536;
  --muted: #7b879d;
  --accent: #2563eb;
  --accent-soft: #e8f0ff;
  --ok: #10b981;
  --warn: #d97706;
  --bad: #dc2626;
  --idle: #a3adbf;
  --side: #0f1a2e;
  --radius: 10px;
  --mono: ui-monospace, "Cascadia Mono", Consolas, "SFMono-Regular", monospace;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font: 14px/1.55 -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background: var(--bg);
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 22px; margin: 0; }
h2 { font-size: 16px; margin: 0 0 14px; }
h3 { font-size: 14px; margin: 22px 0 10px; color: var(--muted); font-weight: 600; }
code, .mono { font-family: var(--mono); font-size: 12.5px; }
.small { font-size: 12.5px; }
.muted { color: var(--muted); }
.nowrap { white-space: nowrap; }
.ok-text { color: var(--ok); }
[hidden] { display: none !important; }

/* 布局 */
.shell { display: flex; min-height: 100vh; }
.side {
  width: 220px; flex: none; background: var(--side); color: #c9d4ea;
  display: flex; flex-direction: column; padding: 18px 12px; position: sticky; top: 0; height: 100vh;
}
.brand { display: flex; align-items: center; gap: 10px; color: #fff; font-weight: 600; padding: 0 6px 18px; line-height: 1.3; }
.brand:hover { text-decoration: none; }
.side nav { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.side nav a { color: #b6c2da; padding: 9px 12px; border-radius: 8px; }
.side nav a:hover { background: rgba(255,255,255,.06); text-decoration: none; color: #fff; }
.side nav a.on { background: linear-gradient(90deg, #4f7cff, #2563eb 60%, #06b6d4); color: #fff; }
.me { display: flex; align-items: center; justify-content: space-between; border-top: 1px solid rgba(255,255,255,.08); padding: 14px 6px 0; }
.me strong { display: block; color: #fff; }
.me small { color: #8a97b2; }
.main { flex: 1; min-width: 0; padding: 26px 32px 60px; }

.page-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 18px; gap: 16px; }
.crumb { font-size: 13px; color: var(--muted); }
.sub { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; color: var(--muted); margin-top: 4px; }
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin-bottom: 16px; }
.tabs a { padding: 9px 16px; color: var(--muted); border-bottom: 2px solid transparent; margin-bottom: -1px; }
.tabs a.on { color: var(--accent); border-color: var(--accent); font-weight: 600; }
.tabs a:hover { text-decoration: none; color: var(--text); }

.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; margin-bottom: 18px; }
.card.narrow { max-width: 420px; }
.card.highlight { border-color: #93c5fd; background: #f0f7ff; }
.card-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.card-head h2 { margin: 0; }
.empty { color: var(--muted); text-align: center; padding: 26px 0; margin: 0; }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 18px; }
.stat { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 18px; }
.stat span { display: block; color: var(--muted); font-size: 13px; }
.stat strong { display: block; font-size: 24px; margin: 4px 0 2px; }
.stat strong.mono { font-size: 18px; }
.stat small { color: var(--muted); }
.stat.warn { border-color: #fcd34d; background: #fffbeb; }

/* 表格 */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th { text-align: left; font-weight: 600; color: var(--muted); font-size: 12.5px; padding: 8px 10px; border-bottom: 1px solid var(--line); white-space: nowrap; }
td { padding: 10px; border-bottom: 1px solid #eef1f7; vertical-align: middle; }
tbody tr:hover { background: #f8faff; }
tr.clickable { cursor: pointer; }
tr.dim td { opacity: .5; }
td strong { white-space: nowrap; }
td.ops { white-space: nowrap; text-align: right; }
td.ops form { display: inline; }
td.detail { max-width: 360px; word-break: break-all; color: var(--muted); }
.w-check { width: 34px; }
.w-ops { width: 1%; }
.dev { display: flex; align-items: center; gap: 10px; }
.dev strong { display: block; }
.dev .mono { color: var(--muted); }
.dev .os { display: block; color: var(--muted); font-size: 12px; }
.filters { display: flex; gap: 8px; align-items: center; }
.filters input { width: 260px; margin-top: 0; }
.lat { font-variant-numeric: tabular-nums; white-space: nowrap; }
.lat.slow { color: var(--warn); }
.pager { display: flex; gap: 12px; align-items: center; justify-content: center; margin-top: 14px; color: var(--muted); }
table.api td { padding: 7px 10px; }

.dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; background: var(--idle); flex: none; margin-right: 4px; vertical-align: 1px; }
.dot.ok { background: var(--ok); box-shadow: 0 0 0 3px rgba(16,185,129,.18); }
.dot.bad { background: var(--bad); }
.dot.idle { background: var(--idle); }

.tag { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 12px; background: #eef1f7; color: #4b5870; white-space: nowrap; }
.tag.ok { background: #dcfce7; color: #047857; }
.tag.warn { background: #fef3c7; color: #b45309; }
.tag.bad { background: #fee2e2; color: #b91c1c; }

.copy { cursor: copy; }
.copy.copied::after, code.copied::after { content: " 已复制"; color: var(--ok); font-family: inherit; }

/* 按钮 */
.btn {
  display: inline-flex; align-items: center; gap: 6px; padding: 7px 14px; border-radius: 8px;
  border: 1px solid var(--line); background: #fff; color: var(--text); font: inherit; cursor: pointer; white-space: nowrap;
}
.btn:hover { border-color: #c4cee0; text-decoration: none; }
.btn.primary { background: linear-gradient(135deg, #4f7cff, #2563eb 50%, #06b6d4); color: #fff; border-color: transparent; }
.btn.primary:hover { filter: brightness(1.06); }
.btn.danger { background: var(--bad); color: #fff; border-color: var(--bad); }
.btn.ghost-danger { color: var(--bad); }
.btn.ghost-danger:hover { border-color: #fca5a5; background: #fff5f5; }
.btn.sm { padding: 4px 10px; font-size: 13px; }
.btn.block { width: 100%; justify-content: center; padding: 10px; }
button.link { background: none; border: 0; color: #8a97b2; cursor: pointer; font: inherit; }
button.link:hover { color: #fff; }

.switch {
  display: inline-flex; align-items: center; gap: 8px; border: 0; background: none; cursor: pointer;
  font: inherit; font-size: 13px; color: var(--warn); padding: 0; white-space: nowrap;
}
.switch span { width: 34px; height: 20px; border-radius: 999px; background: #d5dbe7; position: relative; transition: background .15s; }
.switch span::after { content: ""; position: absolute; top: 2px; left: 2px; width: 16px; height: 16px; border-radius: 50%; background: #fff; box-shadow: 0 1px 2px rgba(0,0,0,.2); transition: left .15s; }
.switch.on { color: var(--ok); }
.switch.on span { background: var(--ok); }
.switch.on span::after { left: 16px; }

/* 表单 */
label { display: block; margin-bottom: 12px; font-size: 13px; color: #4b5870; }
.field > span { display: block; font-size: 13px; color: #4b5870; margin-bottom: 4px; }
label small { display: block; color: var(--muted); margin-top: 4px; }
input, select, textarea {
  display: block; width: 100%; margin-top: 4px; padding: 8px 10px; border: 1px solid #d5dbe7; border-radius: 8px;
  font: inherit; color: var(--text); background: #fff;
}
textarea { resize: vertical; }
input.mono, textarea.mono { font-family: var(--mono); font-size: 13px; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
input:disabled, select:disabled, textarea:disabled { background: #f6f7fa; color: var(--muted); }
input[type=checkbox] { display: inline-block; width: auto; margin: 0; vertical-align: -2px; accent-color: var(--accent); }
label.check { display: flex; align-items: center; gap: 8px; margin: 6px 0 12px; color: var(--text); }
.inline { display: flex; gap: 8px; align-items: center; margin-bottom: 12px; }
.inline input { width: 260px; margin: 0; }
.inline select { width: auto; margin: 0; }
td .inline { margin: 0; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 18px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 18px; }
.actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 8px; }
.hint { color: var(--muted); font-size: 13px; margin: 0 0 12px; }
.settings h3:first-of-type { margin-top: 8px; }
.danger-zone { border-color: #fecaca; }
.danger-zone h3 { color: var(--bad); margin-top: 0; }

.toolbar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 12px; }
.toolbar input[type=search] { width: 260px; margin: 0; }
.toolbar select { width: auto; margin: 0; }
.toolbar .check { margin: 0; color: var(--muted); }
.grow { flex: 1; }
.batchbar {
  display: flex; gap: 8px; align-items: center; padding: 8px 12px; margin-bottom: 10px;
  background: var(--accent-soft); border-radius: 8px;
}
.batchbar span { margin-right: 6px; }

code.token { display: inline-block; padding: 8px 12px; background: #fff; border: 1px dashed #93c5fd; border-radius: 8px; font-size: 14px; cursor: copy; word-break: break-all; }
pre.example { background: #0f1a2e; color: #d6e2ff; padding: 14px 16px; border-radius: 8px; overflow-x: auto; margin: 14px 0 0; }

.flash { padding: 10px 14px; border-radius: 8px; margin-bottom: 14px; border: 1px solid; }
.flash.ok { background: #ecfdf5; border-color: #a7f3d0; color: #065f46; }
.flash.error { background: #fef2f2; border-color: #fecaca; color: #991b1b; }

dialog { border: 0; border-radius: 12px; padding: 22px 24px; width: min(440px, 92vw); box-shadow: 0 20px 60px rgba(15,26,46,.25); }
dialog::backdrop { background: rgba(15,26,46,.45); }

/* 登录页 */
body.bare { background: radial-gradient(1200px 600px at 20% -10%, #dbe7ff, transparent), var(--bg); }
.login { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; }
.login-card { width: 360px; padding: 28px; }
.login-head { text-align: center; margin-bottom: 18px; }
.login-head h1 { font-size: 18px; margin-top: 10px; }
.error-card { max-width: 520px; }

@media (max-width: 900px) {
  .shell { flex-direction: column; }
  .side { width: auto; height: auto; position: static; flex-direction: row; flex-wrap: wrap; align-items: center; gap: 8px; padding: 10px 12px; }
  .brand { padding: 0; }
  .side nav { flex-direction: row; flex-wrap: wrap; }
  .side nav a { padding: 6px 10px; }
  .me { border: 0; padding: 0; gap: 10px; margin-left: auto; }
  .main { padding: 16px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .grid2, .grid3 { grid-template-columns: 1fr; }
  .toolbar input[type=search] { width: 100%; }
}