:root {
  color-scheme: dark;
  --bg: #0d1218;
  --sidebar: #111820;
  --panel: #151d26;
  --panel-2: #19232e;
  --line: #273442;
  --text: #e9eef3;
  --muted: #8c9baa;
  --cyan: #6eb8bc;
  --cyan-soft: #1d343a;
  --green: #72ba8b;
  --amber: #d4a258;
  --red: #d5746c;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--bg); }
body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font: 14px/1.55 ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Noto Sans CJK SC", sans-serif;
  -webkit-font-smoothing: antialiased;
}
button, select { font: inherit; }

.workbench-shell { min-height: 100vh; }
.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 10;
  display: flex;
  width: 224px;
  flex-direction: column;
  border-right: 1px solid var(--line);
  background: var(--sidebar);
}
.sidebar-brand { padding: 29px 25px 25px; border-bottom: 1px solid var(--line); }
.sidebar-brand strong { display: block; font: 700 21px/1.2 Georgia, serif; letter-spacing: -.02em; }
.sidebar-brand span { color: var(--muted); font-size: 12px; }
.sidebar nav { display: grid; gap: 5px; padding: 20px 13px; }
.sidebar nav a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-radius: 7px;
  color: var(--muted);
  text-decoration: none;
}
.sidebar nav a:hover, .sidebar nav a.active { color: var(--text); background: var(--panel-2); }
.sidebar nav small { color: #596979; font-variant-numeric: tabular-nums; }
.sidebar-foot {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-top: auto;
  padding: 20px 25px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
}
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--amber); box-shadow: 0 0 0 4px rgb(212 162 88 / 10%); }
.status-dot.healthy { background: var(--green); box-shadow: 0 0 0 4px rgb(114 186 139 / 10%); }
.status-dot.degraded { background: var(--red); box-shadow: 0 0 0 4px rgb(213 116 108 / 10%); }

main { min-width: 0; margin-left: 224px; padding: 30px clamp(24px, 4vw, 56px) 44px; }
.topbar { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 8px; }
.eyebrow { margin: 0 0 3px; color: var(--muted); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; }
h1, h2, p { margin-top: 0; }
h1 { margin-bottom: 0; font-size: clamp(28px, 3vw, 39px); line-height: 1.15; letter-spacing: -.035em; }
h2 { margin-bottom: 0; font-size: 18px; letter-spacing: -.015em; }
.topbar-actions { display: flex; align-items: end; gap: 10px; }
.topbar-actions label { display: grid; gap: 4px; color: var(--muted); font-size: 11px; }
select, button {
  min-height: 37px;
  border: 1px solid var(--line);
  border-radius: 7px;
  color: var(--text);
  background: var(--panel);
}
select { padding: 0 34px 0 11px; }
button { padding: 0 14px; cursor: pointer; }
button:hover { border-color: #3a4d60; background: var(--panel-2); }
button:disabled { cursor: wait; opacity: .55; }
.update-line { margin: 6px 0 24px; color: var(--muted); font-size: 12px; }

.kpi-grid { display: grid; grid-template-columns: repeat(5, minmax(145px, 1fr)); gap: 12px; margin-bottom: 18px; }
.kpi-card, .panel { border: 1px solid var(--line); border-radius: 10px; background: var(--panel); }
.kpi-card { min-height: 132px; padding: 18px; }
.kpi-card > span { display: block; margin-bottom: 12px; color: var(--muted); font-size: 12px; }
.kpi-card strong { display: block; overflow: hidden; margin-bottom: 4px; font-size: 29px; font-weight: 520; line-height: 1.2; text-overflow: ellipsis; white-space: nowrap; }
.kpi-card small { color: var(--muted); }
.health-card strong { color: var(--green); }
.health-card.degraded strong { color: var(--red); }
.cost-card strong { color: var(--cyan); }

.panel-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.panel { margin-bottom: 18px; padding: 21px; scroll-margin-top: 18px; }
.panel-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; margin-bottom: 22px; }
.panel-heading > span { color: var(--muted); font-size: 11px; text-align: right; }
.trend-panel { min-width: 0; }
.bar-chart { display: flex; height: 150px; align-items: end; gap: 4px; padding-top: 15px; border-bottom: 1px solid var(--line); }
.bar-column { position: relative; display: flex; min-width: 2px; height: 100%; flex: 1; align-items: end; }
.bar-column i { display: block; width: 100%; min-height: 2px; border-radius: 3px 3px 0 0; background: var(--cyan); opacity: .75; }
.bar-column:hover i { opacity: 1; }
.bar-column span {
  position: absolute;
  z-index: 2;
  bottom: calc(100% + 7px);
  left: 50%;
  display: none;
  width: max-content;
  padding: 4px 7px;
  border: 1px solid var(--line);
  border-radius: 5px;
  color: var(--text);
  background: #0a0f14;
  font-size: 10px;
  transform: translateX(-50%);
}
.bar-column:hover span { display: block; }
.token-chart .bar-column i { background: var(--amber); }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; }
th { padding: 0 14px 10px; color: var(--muted); font-size: 11px; font-weight: 500; text-align: right; white-space: nowrap; }
th:first-child, td:first-child { padding-left: 0; text-align: left; }
td { padding: 13px 14px; border-top: 1px solid var(--line); text-align: right; }
td:first-child { color: var(--text); }
.source-table-wrap { max-height: 470px; }
.source-table-wrap thead { position: sticky; z-index: 1; top: 0; background: var(--panel); }
.source-name { display: block; }
.source-code { display: block; color: var(--muted); font-size: 10px; }
.source-state { display: inline-flex; align-items: center; gap: 6px; }
.source-state::before { width: 6px; height: 6px; border-radius: 50%; background: var(--muted); content: ""; }
.source-state.receiving::before { background: var(--green); }
.source-state.empty::before { background: var(--amber); }

.training-grid { display: grid; grid-template-columns: repeat(6, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.training-grid > div { min-width: 0; padding: 17px 14px; }
.training-grid > div + div { border-left: 1px solid var(--line); }
.training-grid span { display: block; min-height: 36px; color: var(--muted); font-size: 11px; }
.training-grid strong { font-size: 24px; font-weight: 520; }
.training-grid .coverage strong { color: var(--cyan); }

.failure-list { display: grid; gap: 8px; }
.failure-item { display: grid; grid-template-columns: 140px minmax(0, 1fr) auto; gap: 16px; padding: 13px 14px; border: 1px solid var(--line); border-radius: 7px; background: var(--panel-2); }
.failure-pipeline { color: var(--red); font-size: 12px; }
.failure-main { min-width: 0; }
.failure-main strong { display: block; overflow: hidden; font-weight: 550; text-overflow: ellipsis; white-space: nowrap; }
.failure-main p { margin: 3px 0 0; overflow: hidden; color: var(--muted); font-size: 11px; text-overflow: ellipsis; white-space: nowrap; }
.failure-meta { color: var(--muted); font-size: 10px; text-align: right; }
.empty-state { padding: 24px; border: 1px dashed var(--line); border-radius: 7px; color: var(--muted); text-align: center; }

footer { display: flex; justify-content: space-between; padding-top: 10px; color: var(--muted); font-size: 11px; }
footer a { color: var(--cyan); text-decoration: none; }
.footer-action { min-height: auto; padding: 0; border: 0; color: var(--muted); background: transparent; font-size: 11px; }

.login-page { display: grid; min-height: 100dvh; place-items: center; padding: 24px; }
.login-card { width: min(100%, 390px); padding: 34px; border: 1px solid var(--line); border-radius: 12px; background: var(--panel); }
.login-brand { margin-bottom: 40px; }
.login-brand strong { display: block; font: 700 24px/1.2 Georgia, serif; }
.login-brand span { color: var(--muted); font-size: 12px; }
.login-card h1 { margin-bottom: 8px; font-size: 28px; }
.login-intro { margin-bottom: 25px; color: var(--muted); }
.login-form { display: grid; gap: 16px; }
.login-form label { display: grid; gap: 6px; color: var(--muted); font-size: 12px; }
.login-form input { width: 100%; min-height: 43px; padding: 0 12px; border: 1px solid var(--line); border-radius: 7px; outline: none; color: var(--text); background: var(--bg); font: inherit; }
.login-form input:focus { border-color: var(--cyan); }
.login-form button { margin-top: 5px; min-height: 44px; color: #091114; border-color: var(--cyan); background: var(--cyan); font-weight: 650; }
.login-note { margin: 22px 0 0; color: var(--muted); font-size: 11px; text-align: center; }

@media (max-width: 1120px) {
  .kpi-grid { grid-template-columns: repeat(3, 1fr); }
  .training-grid { grid-template-columns: repeat(3, 1fr); }
  .training-grid > div:nth-child(4) { border-left: 0; border-top: 1px solid var(--line); }
  .training-grid > div:nth-child(n + 5) { border-top: 1px solid var(--line); }
}

@media (max-width: 760px) {
  .sidebar { position: static; width: auto; height: auto; }
  .sidebar-brand { padding: 18px 20px; }
  .sidebar nav { display: flex; padding: 8px 12px; overflow-x: auto; }
  .sidebar nav a { flex: none; }
  .sidebar nav small, .sidebar-foot { display: none; }
  main { margin-left: 0; padding: 24px 16px 36px; }
  .topbar { align-items: flex-start; flex-direction: column; }
  .topbar-actions { width: 100%; }
  .topbar-actions label { flex: 1; }
  select { width: 100%; }
  .kpi-grid { grid-template-columns: 1fr 1fr; }
  .kpi-card { min-height: 118px; }
  .panel-grid { grid-template-columns: 1fr; gap: 0; }
  .training-grid { grid-template-columns: 1fr 1fr; }
  .training-grid > div:nth-child(odd) { border-left: 0; }
  .training-grid > div:nth-child(n + 3) { border-top: 1px solid var(--line); }
  .failure-item { grid-template-columns: 1fr; gap: 4px; }
  .failure-meta { text-align: left; }
}

@media (max-width: 420px) {
  .kpi-grid { grid-template-columns: 1fr; }
  .kpi-card { min-height: auto; }
}