/* ===== DRAMDASH frontend v4 · 设计 token ===== */
:root {
  --bg: #0a0e1a;
  --card: #131826;
  --border: #1f2937;
  --green: #10b981;
  --red: #ef4444;
  --text: #f1f5f9;
  --muted: #94a3b8;
  --radius: 8px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
    Helvetica, Arial, sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji';
  font-size: 14px;
  line-height: 1.4;
  -webkit-font-smoothing: antialiased;
}

.app { max-width: 1200px; margin: 0 auto; padding: 16px 20px 48px; }

/* ===== Top bar ===== */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 16px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.logo-m {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: var(--radius);
  background: var(--green);
  color: #04130d;
  font-weight: 800;
  font-size: 20px;
  line-height: 1;
}
.brand-title { font-weight: 700; font-size: 16px; }
.brand-sub { color: var(--muted); font-size: 12px; margin-top: 2px; }

.status { display: flex; align-items: center; gap: 14px; font-size: 13px; }
.ws-live { display: inline-flex; align-items: center; gap: 6px; color: var(--green); }
.dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--green);
  display: inline-block;
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.5);
}
.dot.stale { background: var(--red); }
.lag { color: var(--muted); }
.clock { color: var(--text); font-variant-numeric: tabular-nums; }

/* ===== Tabs ===== */
.tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 18px;
}
.tab {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--muted);
  font: inherit;
  font-weight: 600;
  padding: 10px 14px;
  cursor: pointer;
  margin-bottom: -1px;
}
.tab:hover { color: var(--text); }
.tab.active { color: var(--text); border-bottom-color: var(--green); }

.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ===== Intro row ===== */
.intro-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 8px;
}
.intro-left { display: flex; align-items: center; gap: 8px; font-size: 13px; }
.intro-right { color: var(--muted); font-size: 12px; }

/* ===== Cards ===== */
.card-row { display: grid; gap: 12px; margin-bottom: 12px; }
.card-row-5 { grid-template-columns: repeat(5, 1fr); }
.card-row-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
}
.card-label { color: var(--muted); font-size: 12px; margin-bottom: 8px; }
.card-value {
  font-size: 26px;
  font-weight: 700;
  color: var(--green);
  font-variant-numeric: tabular-nums;
}
.card-value.neg { color: var(--red); }
.card-value.neutral { color: var(--text); }
.card-sub { color: var(--muted); font-size: 12px; margin-top: 8px; }
.card-sub > div { margin-top: 2px; }
.card-sub span { color: var(--text); }
.card-spark { margin-top: 10px; height: 40px; }
.card-spark svg { display: block; width: 100%; height: 40px; }

/* ===== Short-leg leverage card ===== */
.lev-card {
  background: #0f1420;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.lev-card .lev-title { font-weight: 600; }
.lev-card .lev-mid {
  font-variant-numeric: tabular-nums;
  color: var(--text);
  font-size: 15px;
}
.lev-card .lev-status { font-size: 13px; }
.lev-status.low { color: var(--green); }
.lev-status.high { color: var(--red); }
.lev-status.ok { color: var(--muted); }

/* ===== Simple tabs ===== */
.simple-head { font-weight: 700; font-size: 16px; margin-bottom: 12px; }
.simple-body {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  color: var(--muted);
}
.simple-body pre {
  font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;
  font-size: 12px;
  color: var(--text);
  white-space: pre-wrap;
  word-break: break-word;
}

/* opportunities / matrix tables */
table.dump { width: 100%; border-collapse: collapse; font-size: 13px; }
table.dump th, table.dump td {
  text-align: left;
  padding: 6px 10px;
  border-bottom: 1px solid var(--border);
}
table.dump th { color: var(--muted); font-weight: 600; }
table.dump td { color: var(--text); font-variant-numeric: tabular-nums; }

.alert-item {
  border-bottom: 1px solid var(--border);
  padding: 10px 0;
}
.alert-item:last-child { border-bottom: none; }
.alert-lvl { font-weight: 700; margin-right: 8px; }
.alert-lvl.info { color: var(--muted); }
.alert-lvl.warn { color: #f59e0b; }
.alert-lvl.crit { color: var(--red); }
.alert-time { color: var(--muted); font-size: 12px; }
.alert-body { color: var(--muted); font-size: 13px; margin-top: 2px; }

.err { color: var(--red); }

@media (max-width: 900px) {
  .card-row-5, .card-row-4 { grid-template-columns: repeat(2, 1fr); }
}