/* === Lark group chat monitor — design tokens === */

:root {
  /* Dark cockpit palette (default) */
  --bg-0: oklch(0.18 0.012 250);
  --bg-1: oklch(0.215 0.014 250);
  --bg-2: oklch(0.245 0.016 250);
  --bg-3: oklch(0.285 0.018 250);

  --line-1: oklch(0.32 0.018 250);
  --line-2: oklch(0.38 0.02 250);

  --fg-0: oklch(0.97 0.005 250);
  --fg-1: oklch(0.84 0.01 250);
  --fg-2: oklch(0.66 0.012 250);
  --fg-3: oklch(0.5 0.012 250);

  /* Status — same chroma, varied hue */
  --critical: oklch(0.68 0.19 25);   /* red-orange */
  --critical-bg: oklch(0.32 0.08 25 / 0.5);
  --warning:  oklch(0.78 0.16 75);   /* amber */
  --warning-bg:  oklch(0.36 0.07 75 / 0.45);
  --silent:   oklch(0.7 0.06 250);   /* muted blue */
  --silent-bg:   oklch(0.32 0.04 250 / 0.5);
  --healthy:  oklch(0.78 0.13 165);  /* mint */
  --healthy-bg:  oklch(0.34 0.05 165 / 0.4);

  --accent: oklch(0.78 0.14 220);
  --accent-2: oklch(0.82 0.14 145);

  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 14px;

  --shadow-1: 0 1px 0 oklch(1 0 0 / 0.04) inset, 0 0 0 0.5px oklch(0 0 0 / 0.4);
  --shadow-2: 0 8px 24px oklch(0 0 0 / 0.35), 0 0 0 0.5px oklch(0 0 0 / 0.4);

  --font-sans: "Plus Jakarta Sans", -apple-system, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
}

[data-theme="light"] {
  --bg-0: oklch(0.985 0.003 250);
  --bg-1: oklch(1 0 0);
  --bg-2: oklch(0.97 0.005 250);
  --bg-3: oklch(0.94 0.008 250);

  --line-1: oklch(0.9 0.008 250);
  --line-2: oklch(0.84 0.01 250);

  --fg-0: oklch(0.2 0.012 250);
  --fg-1: oklch(0.32 0.012 250);
  --fg-2: oklch(0.5 0.012 250);
  --fg-3: oklch(0.66 0.01 250);

  --critical-bg: oklch(0.94 0.06 25 / 0.7);
  --warning-bg: oklch(0.95 0.06 75 / 0.7);
  --silent-bg: oklch(0.94 0.02 250 / 0.7);
  --healthy-bg: oklch(0.94 0.05 165 / 0.7);

  --shadow-1: 0 1px 0 oklch(1 0 0 / 0.6) inset, 0 0 0 0.5px oklch(0 0 0 / 0.06);
  --shadow-2: 0 12px 32px oklch(0 0 0 / 0.08), 0 0 0 0.5px oklch(0 0 0 / 0.06);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-sans);
  background: var(--bg-0);
  color: var(--fg-0);
  font-size: 13px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "ss01", "cv11";
}

button { font-family: inherit; }

/* Grain texture for dark mode */
[data-theme="dark"] body::before {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(1200px 600px at 80% -20%, oklch(0.32 0.06 230 / 0.18), transparent 60%),
    radial-gradient(900px 500px at 0% 110%, oklch(0.32 0.05 320 / 0.12), transparent 60%);
  z-index: 0;
}

/* === Layout shell === */
.app {
  position: relative;
  min-height: 100vh;
  z-index: 1;
}

.shell {
  display: grid;
  grid-template-rows: auto auto 1fr;
  min-height: 100vh;
}

/* === Top bar === */
.topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 24px;
  border-bottom: 0.5px solid var(--line-1);
  background: color-mix(in oklch, var(--bg-1) 65%, transparent);
  backdrop-filter: blur(20px);
  position: sticky; top: 0; z-index: 10;
}
.brand {
  display: flex; align-items: center; gap: 10px;
  font-weight: 700; font-size: 14px;
  letter-spacing: -0.01em;
}
.brand-mark {
  width: 26px; height: 26px;
  border-radius: 7px;
  background:
    conic-gradient(from 200deg, var(--accent), var(--accent-2), var(--critical), var(--accent));
  position: relative;
  box-shadow: inset 0 0 0 1px oklch(0 0 0 / 0.2);
}
.brand-mark::after {
  content: "";
  position: absolute; inset: 5px;
  background: var(--bg-1);
  border-radius: 4px;
}
.brand-mark::before {
  content: "";
  position: absolute; left: 9px; top: 9px;
  width: 8px; height: 8px;
  background: var(--healthy);
  border-radius: 50%;
  z-index: 1;
  box-shadow: 0 0 12px var(--healthy);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

.topbar-spacer { flex: 1; }
.topbar-meta {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-2);
  display: flex; gap: 16px; align-items: center;
  white-space: nowrap;
}
.topbar-meta > span { white-space: nowrap; flex-shrink: 0; }
.topbar-meta .live {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--healthy);
}
.topbar-meta .live::before {
  content: ""; width: 6px; height: 6px;
  background: var(--healthy); border-radius: 50%;
  box-shadow: 0 0 8px var(--healthy);
  animation: pulse 1.6s ease-in-out infinite;
}

/* === Filter bar === */
.filterbar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 24px;
  border-bottom: 0.5px solid var(--line-1);
  background: var(--bg-0);
  flex-wrap: wrap;
}
.fb-group { display: flex; align-items: center; gap: 4px; }
.fb-label {
  font-size: 10px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--fg-3); margin-right: 6px;
  white-space: nowrap;
  flex-shrink: 0;
}
.fb-group { flex-shrink: 0; }
.chip {
  appearance: none; border: 0.5px solid var(--line-1);
  background: var(--bg-1); color: var(--fg-1);
  padding: 5px 10px; border-radius: 7px;
  font-size: 12px; font-weight: 500;
  cursor: default;
  display: inline-flex; align-items: center; gap: 6px;
  transition: background 0.12s, border-color 0.12s, color 0.12s;
  font-family: inherit;
  white-space: nowrap;
  flex-shrink: 0;
}
.chip:hover { background: var(--bg-2); border-color: var(--line-2); }
.chip.active {
  background: var(--fg-0); color: var(--bg-0);
  border-color: var(--fg-0);
}
.chip-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--fg-2);
}
.chip.active .chip-dot { background: var(--bg-0); }
.fb-divider { width: 1px; height: 18px; background: var(--line-1); margin: 0 4px; }

.view-switch {
  display: flex; gap: 0;
  background: var(--bg-1);
  border-radius: 9px;
  padding: 3px;
  border: 0.5px solid var(--line-1);
}
.view-switch button {
  appearance: none; border: 0; background: transparent;
  padding: 6px 14px; border-radius: 6px;
  color: var(--fg-2); font-size: 12px; font-weight: 600;
  cursor: default;
  transition: all 0.15s;
  font-family: inherit;
  white-space: nowrap;
}
.view-switch { flex-shrink: 0; }
.view-switch button.active {
  background: var(--bg-3);
  color: var(--fg-0);
  box-shadow: var(--shadow-1);
}

/* === Main content === */
.main {
  padding: 20px 24px 80px;
  max-width: 1800px;
  margin: 0 auto;
  width: 100%;
}

/* === Stat strip === */
.stat-strip {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 10px;
  margin-bottom: 20px;
}
.stat {
  background: var(--bg-1);
  border: 0.5px solid var(--line-1);
  border-radius: var(--radius);
  padding: 14px 16px;
  position: relative;
  overflow: hidden;
}
.stat-label {
  font-size: 10px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--fg-3);
  margin-bottom: 8px;
  display: flex; align-items: center; gap: 6px;
}
.stat-value {
  font-size: 26px; font-weight: 700;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  display: flex; align-items: baseline; gap: 6px;
  line-height: 1.1;
}
.stat-value .unit { font-size: 12px; font-weight: 500; color: var(--fg-2); }
.stat-sub {
  margin-top: 6px;
  font-size: 11px; color: var(--fg-2);
  font-variant-numeric: tabular-nums;
}
.stat.alert-critical .stat-value { color: var(--critical); }
.stat.alert-warning .stat-value { color: var(--warning); }
.stat.alert-silent .stat-value { color: var(--silent); }

.stat-spark {
  position: absolute; right: 14px; top: 14px;
  width: 60px; height: 24px;
  opacity: 0.6;
}

/* === Cards & sections === */
.section {
  background: var(--bg-1);
  border: 0.5px solid var(--line-1);
  border-radius: var(--radius-lg);
  margin-bottom: 16px;
  overflow: hidden;
}
.section-head {
  padding: 14px 18px 10px;
  display: flex; align-items: center; gap: 12px;
  border-bottom: 0.5px solid var(--line-1);
}
.section-title {
  font-size: 13px; font-weight: 700;
  letter-spacing: -0.005em;
  display: flex; align-items: center; gap: 8px;
}
.section-count {
  font-size: 11px;
  color: var(--fg-3);
  font-variant-numeric: tabular-nums;
}
.section-actions { margin-left: auto; display: flex; gap: 4px; }

/* === Status pills === */
.pill {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 10.5px; font-weight: 600;
  padding: 2px 7px; border-radius: 5px;
  letter-spacing: 0.01em;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.pill .dot { width: 5px; height: 5px; border-radius: 50%; }
.pill-critical { background: var(--critical-bg); color: var(--critical); }
.pill-critical .dot { background: var(--critical); box-shadow: 0 0 6px var(--critical); }
.pill-warning { background: var(--warning-bg); color: var(--warning); }
.pill-warning .dot { background: var(--warning); }
.pill-silent { background: var(--silent-bg); color: var(--silent); }
.pill-silent .dot { background: var(--silent); }
.pill-healthy { background: var(--healthy-bg); color: var(--healthy); }
.pill-healthy .dot { background: var(--healthy); }
.pill-ghost {
  background: var(--bg-2); color: var(--fg-2);
  border: 0.5px solid var(--line-1);
}

/* === DR Roster grid === */
.dr-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: 12px;
}
.dr-grid.compact {
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
}
.dr-card {
  background: var(--bg-1);
  border: 0.5px solid var(--line-1);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: default;
  transition: border-color 0.15s, transform 0.15s;
  position: relative;
}
.dr-card:hover { border-color: var(--line-2); }
.dr-card.has-critical { border-color: color-mix(in oklch, var(--critical) 50%, var(--line-1)); }
.dr-card.has-critical::before {
  content: ""; position: absolute; inset: 0;
  border-radius: var(--radius-lg);
  pointer-events: none;
  box-shadow: inset 0 0 0 1px color-mix(in oklch, var(--critical) 35%, transparent);
}

.dr-head {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 16px 12px;
  border-bottom: 0.5px solid var(--line-1);
}
.avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 14px;
  color: oklch(0.18 0.01 250);
  flex-shrink: 0;
  font-family: var(--font-sans);
}
.avatar-md { width: 28px; height: 28px; font-size: 12px; }
.avatar-sm { width: 22px; height: 22px; font-size: 10px; }
.dr-meta { flex: 1; min-width: 0; }
.dr-name {
  font-size: 14px; font-weight: 700;
  letter-spacing: -0.005em;
  display: flex; align-items: center; gap: 8px;
}
.dr-sub {
  font-size: 11px; color: var(--fg-2);
  margin-top: 2px;
  font-variant-numeric: tabular-nums;
}
.dr-score {
  text-align: right;
  font-family: var(--font-mono);
}
.dr-score-num {
  font-size: 22px; font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1;
}
.dr-score-lbl {
  font-size: 9px; color: var(--fg-3);
  text-transform: uppercase; letter-spacing: 0.1em;
  margin-top: 3px;
}

/* status bar at bottom of dr head */
.health-bar {
  height: 4px;
  display: flex;
  background: var(--bg-2);
  border-radius: 2px;
  overflow: hidden;
}
.health-bar > span { display: block; height: 100%; }

.dr-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 0.5px solid var(--line-1);
}
.dr-stat {
  padding: 10px 12px;
  border-right: 0.5px solid var(--line-1);
}
.dr-stat:last-child { border-right: 0; }
.dr-stat-lbl {
  font-size: 9.5px; color: var(--fg-3);
  text-transform: uppercase; letter-spacing: 0.08em;
  margin-bottom: 4px;
}
.dr-stat-val {
  font-size: 16px; font-weight: 600;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}
.dr-stat-val .u { font-size: 10px; font-weight: 500; color: var(--fg-2); margin-left: 2px; }
.dr-stat-val.danger { color: var(--critical); }
.dr-stat-val.warn { color: var(--warning); }

.dr-groups {
  padding: 8px 8px 10px;
  max-height: 260px;
  overflow-y: auto;
}
.dr-card.compact .dr-groups { max-height: 200px; }
.dr-groups-head {
  font-size: 10px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--fg-3);
  padding: 6px 10px 4px;
}
.group-row {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px;
  border-radius: 8px;
  cursor: default;
  font-size: 12px;
  transition: background 0.1s;
}
.group-row:hover { background: var(--bg-2); }
.group-row + .group-row { margin-top: 1px; }
.group-row .group-status {
  width: 3px; height: 28px; border-radius: 2px;
  flex-shrink: 0;
}
.group-row.s-critical .group-status { background: var(--critical); }
.group-row.s-warning .group-status { background: var(--warning); }
.group-row.s-silent .group-status { background: var(--silent); }
.group-row.s-healthy .group-status { background: var(--healthy); opacity: 0.5; }

.group-row-body { flex: 1; min-width: 0; }
.group-row-name {
  font-weight: 600; font-size: 12.5px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  display: flex; align-items: center; gap: 6px;
}
.group-row-msg {
  color: var(--fg-2); font-size: 11px;
  margin-top: 2px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.group-row-msg.inbound { color: var(--fg-1); }
.group-row.s-critical .group-row-msg { color: var(--critical); }
.group-row.s-warning .group-row-msg { color: var(--warning); }
.group-row-time {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--fg-3);
  flex-shrink: 0;
  text-align: right;
  font-variant-numeric: tabular-nums;
}
.group-row.s-critical .group-row-time,
.group-row.s-warning .group-row-time { color: var(--warning); font-weight: 600; }

.dr-empty {
  padding: 24px; text-align: center;
  color: var(--fg-3); font-size: 11.5px;
}

/* === Alert triage === */
.alert-list {
  display: flex; flex-direction: column;
}
.alert-row {
  display: grid;
  grid-template-columns: 4px 28px 1.5fr 1fr 0.8fr 0.6fr;
  gap: 14px;
  align-items: center;
  padding: 12px 18px;
  border-bottom: 0.5px solid var(--line-1);
  cursor: default;
  transition: background 0.1s;
}
.alert-row:last-child { border-bottom: 0; }
.alert-row:hover { background: var(--bg-2); }
.alert-row .stripe {
  width: 4px; height: 36px; border-radius: 2px;
  margin-left: -18px;
}
.alert-row.s-critical .stripe { background: var(--critical); box-shadow: 0 0 12px color-mix(in oklch, var(--critical) 60%, transparent); }
.alert-row.s-warning .stripe { background: var(--warning); }
.alert-row.s-silent .stripe { background: var(--silent); }
.alert-content { min-width: 0; }
.alert-group-name {
  font-weight: 600; font-size: 13px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.alert-trigger {
  font-size: 11.5px; color: var(--fg-2);
  margin-top: 2px;
  display: flex; align-items: center; gap: 6px;
}
.alert-trigger.s-critical { color: var(--critical); }
.alert-trigger.s-warning { color: var(--warning); }

.alert-msg {
  font-size: 11.5px; color: var(--fg-2);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  font-style: italic;
}
.alert-dr {
  display: flex; align-items: center; gap: 8px;
  font-size: 12px;
}
.alert-time {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-2);
  text-align: right;
}

/* === Sparkline svg defaults === */
.spark { display: block; }

/* === Drawer === */
.drawer-bg {
  position: fixed; inset: 0; z-index: 100;
  background: oklch(0 0 0 / 0.45);
  backdrop-filter: blur(6px);
  animation: fadeIn 0.18s ease;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.drawer {
  position: fixed; top: 0; right: 0; bottom: 0;
  width: min(720px, 92vw);
  background: var(--bg-1);
  border-left: 0.5px solid var(--line-1);
  z-index: 101;
  display: flex; flex-direction: column;
  animation: slideIn 0.24s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: -20px 0 60px oklch(0 0 0 / 0.4);
}
@keyframes slideIn { from { transform: translateX(100%); } to { transform: translateX(0); } }
.drawer-hd {
  padding: 16px 20px;
  border-bottom: 0.5px solid var(--line-1);
  display: flex; align-items: center; gap: 12px;
}
.drawer-hd .close {
  appearance: none; border: 0; background: transparent;
  width: 28px; height: 28px; border-radius: 7px;
  color: var(--fg-2); font-size: 16px;
  cursor: default;
  margin-left: auto;
}
.drawer-hd .close:hover { background: var(--bg-2); color: var(--fg-0); }
.drawer-body { flex: 1; overflow-y: auto; padding: 18px 20px; }

/* === Conversation === */
.conv {
  display: flex; flex-direction: column; gap: 8px;
  padding: 8px 0;
}
.conv-msg { display: flex; gap: 10px; max-width: 85%; }
.conv-msg.dr { align-self: flex-end; flex-direction: row-reverse; }
.conv-msg .av { width: 28px; height: 28px; border-radius: 50%; flex-shrink: 0; }
.conv-msg .bub {
  background: var(--bg-2);
  padding: 8px 12px; border-radius: 12px;
  font-size: 12.5px; line-height: 1.5;
  border: 0.5px solid var(--line-1);
}
.conv-msg.dr .bub { background: color-mix(in oklch, var(--accent) 18%, var(--bg-2)); }
.conv-msg .meta {
  font-size: 10px; color: var(--fg-3);
  margin-top: 3px;
  font-family: var(--font-mono);
}
.conv-msg.dr .meta { text-align: right; }
.conv-msg.flagged .bub {
  border-color: var(--critical);
  background: var(--critical-bg);
  color: var(--fg-0);
}

/* === Mini chart === */
.bar-row {
  display: grid;
  grid-template-columns: 80px 1fr 60px;
  gap: 12px;
  align-items: center;
  padding: 6px 0;
  font-size: 12px;
}
.bar-row + .bar-row { border-top: 0.5px dashed var(--line-1); }
.bar-track {
  height: 8px; background: var(--bg-2);
  border-radius: 4px; overflow: hidden;
  display: flex;
}
.bar-track > span { display: block; height: 100%; }
.bar-row .num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--fg-2);
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* === Empty state === */
.empty-state {
  padding: 60px 20px;
  text-align: center;
  color: var(--fg-2);
}
.empty-state-icon {
  width: 40px; height: 40px;
  margin: 0 auto 12px;
  border-radius: 10px;
  background: var(--bg-2);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
  border: 0.5px solid var(--line-1);
}

/* === Dashboard overview === */
.overview-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
@media (max-width: 1100px) {
  .overview-grid { grid-template-columns: 1fr; }
  .stat-strip { grid-template-columns: repeat(3, 1fr); }
}

.dr-leaderboard-row {
  display: grid;
  grid-template-columns: 24px 28px 1fr 70px 80px 60px;
  gap: 12px;
  align-items: center;
  padding: 8px 16px;
  font-size: 12px;
  border-top: 0.5px solid var(--line-1);
  cursor: default;
}
.dr-leaderboard-row:hover { background: var(--bg-2); }
.dr-leaderboard-row .rank {
  font-family: var(--font-mono);
  color: var(--fg-3); font-size: 11px;
  text-align: center;
}
.dr-leaderboard-row .name { font-weight: 600; }
.dr-leaderboard-row .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  text-align: right;
  font-size: 11.5px;
}

/* === Hourly volume chart === */
.hourly {
  display: flex; align-items: flex-end;
  gap: 3px; height: 100px;
  padding: 16px;
}
.hourly .bar {
  flex: 1;
  background: var(--bg-3);
  border-radius: 2px 2px 0 0;
  position: relative;
  min-height: 2px;
  transition: background 0.15s;
}
.hourly .bar:hover { background: var(--accent); }
.hourly .bar.now { background: var(--accent); }
.hourly-axis {
  display: flex;
  padding: 0 16px 12px;
  font-family: var(--font-mono);
  font-size: 9.5px;
  color: var(--fg-3);
  justify-content: space-between;
}

/* === Tabs (inside drawer) === */
.tabs {
  display: flex;
  gap: 0;
  border-bottom: 0.5px solid var(--line-1);
  margin-bottom: 16px;
}
.tab {
  appearance: none; border: 0; background: transparent;
  padding: 10px 14px;
  font-size: 12.5px; font-weight: 500;
  color: var(--fg-2);
  cursor: default;
  border-bottom: 2px solid transparent;
  font-family: inherit;
  margin-bottom: -1px;
}
.tab.active {
  color: var(--fg-0);
  border-bottom-color: var(--accent);
  font-weight: 600;
}

/* === AI summary === */
.ai-block {
  background: linear-gradient(135deg,
    color-mix(in oklch, var(--accent) 12%, var(--bg-2)),
    color-mix(in oklch, var(--accent-2) 8%, var(--bg-2)));
  border: 0.5px solid color-mix(in oklch, var(--accent) 30%, var(--line-1));
  border-radius: var(--radius);
  padding: 12px 14px;
  margin-bottom: 14px;
  font-size: 12.5px; line-height: 1.55;
  position: relative;
}
.ai-block::before {
  content: "AI";
  position: absolute; top: 10px; right: 12px;
  font-family: var(--font-mono); font-size: 9px; font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.1em;
  background: var(--bg-1);
  padding: 2px 5px;
  border-radius: 3px;
  border: 0.5px solid color-mix(in oklch, var(--accent) 30%, var(--line-1));
}
.ai-block strong { color: var(--fg-0); }

/* utility */
.row { display: flex; align-items: center; gap: 8px; }
.col { display: flex; flex-direction: column; gap: 8px; }
.muted { color: var(--fg-2); }
.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
.spacer { flex: 1; }
.hidden-print { }

/* scrollbar */
*::-webkit-scrollbar { width: 10px; height: 10px; }
*::-webkit-scrollbar-track { background: transparent; }
*::-webkit-scrollbar-thumb {
  background: var(--line-1);
  border-radius: 5px;
  border: 2px solid transparent;
  background-clip: content-box;
}
*::-webkit-scrollbar-thumb:hover { background: var(--line-2); border: 2px solid transparent; background-clip: content-box; }

/* ─── topbar tabs (新增) ──────────────────────────────────────────────── */
.topbar-tabs {
  display: flex; gap: 4px;
  margin-left: 18px;
  flex-shrink: 0;
}
.tb-tab {
  appearance: none; border: 0;
  background: transparent;
  color: var(--fg-2);
  padding: 7px 14px;
  border-radius: 8px;
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background .12s, color .12s;
  white-space: nowrap;
}
.tb-tab:hover { background: var(--bg-2); color: var(--fg-1); }
.tb-tab.active {
  background: var(--bg-2);
  color: var(--fg-0);
  box-shadow: inset 0 -2px 0 var(--accent);
}

/* ─── 兼容老 broadcast.jsx + ui.jsx + icons.jsx 用的 token 名 ─────────── */
:root {
  --bg: var(--bg-0);
  --bg-elev: var(--bg-1);
  --bg-sunk: var(--bg-2);
  --line: var(--line-1);
  --line-strong: var(--line-2);
  --ink: var(--fg-0);
  --ink-2: var(--fg-1);
  --ink-3: var(--fg-2);
  --accent-soft: color-mix(in oklch, var(--accent) 14%, transparent);
  --accent-ink: var(--accent);
  --sage: var(--healthy);
  --sage-soft: var(--healthy-bg);
  --amber: var(--warning);
  --amber-soft: var(--warning-bg);
  --rose: var(--critical);
  --rose-soft: var(--critical-bg);
  --sky: oklch(0.78 0.13 240);
  --sky-soft: oklch(0.32 0.06 240 / 0.5);
  --violet: oklch(0.78 0.13 290);
  --violet-soft: oklch(0.32 0.06 290 / 0.5);
  --r-sm: var(--radius-sm);
  --r-md: var(--radius);
  --r-lg: var(--radius-lg);
  --r-xl: 16px;
  --sh-1: var(--shadow-1);
  --sh-2: var(--shadow-2);
  --sh-3: var(--shadow-2);
  --font-num: var(--font-mono);
}

/* ─── broadcast tab 的容器（用 main 类，但允许垂直滚动）─────────────── */
.main.broadcast-main {
  overflow-y: auto;
  padding: 0;
}

/* 确保 dashboard view 之间可以滚动 */
.main { overflow-y: auto; }