/* Factory instrument chrome — distinctive layer on top of tokens */

/* Subtle film grain on metric cards (dark + light) */
.panel-bone::after,
.stream-panel.panel-bone::after {
  content: "";
  pointer-events: none;
  position: absolute;
  inset: 0;
  border-radius: inherit;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 256 256'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.4'/%3E%3C/svg%3E");
}

.panel-bone,
.stream-panel.panel-bone {
  position: relative;
  overflow: hidden;
}

/* macOS-style product frame around main stage */
.trace-stage {
  background: var(--canvas) !important;
  border-right: none !important;
  padding: 8px 8px 8px 0;
}

.window-chrome {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  margin: 0;
  border: 1px solid var(--border);
  border-bottom: none;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  background: var(--chrome);
}

.window-dots {
  display: flex;
  gap: 6px;
}

.window-dots span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 1px solid color-mix(in srgb, var(--text) 12%, transparent);
}

.window-dots .dot-close {
  background: #ff5f57;
}

.window-dots .dot-min {
  background: #febc2e;
}

.window-dots .dot-max {
  background: #28c840;
}

.window-title {
  flex: 1;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.window-title strong {
  color: var(--text);
  font-weight: 500;
}

.trace-frame .tabs,
.trace-stage .tabs {
  margin: 0;
  border: 1px solid var(--border);
  border-top: none;
  border-bottom: 1px solid var(--border);
  border-radius: 0;
}

.trace-frame #panel,
.trace-stage #panel {
  margin: 0;
  border: 1px solid var(--border);
  flex: 1;
  min-height: 0;
  border-top: none;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  background: var(--canvas);
}

/* Trace overview — plain stat cards (no decorative sparklines) */
.panel-stack.overview-panel {
  max-width: none;
  width: 100%;
  min-height: min(100%, 100%);
  box-sizing: border-box;
}

.overview-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 300px);
  gap: 14px;
  align-items: start;
  width: 100%;
}

@media (max-width: 900px) {
  .overview-layout {
    grid-template-columns: 1fr;
  }
}

.overview-main {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
}

.overview-side {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
}

.overview-main .overview-summary {
  margin-bottom: 0;
}

.overview-stat-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

@media (max-width: 1100px) {
  .overview-stat-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.overview-main .panel-bone {
  width: 100%;
  box-sizing: border-box;
}

.overview-summary {
  margin-bottom: 20px;
}

.overview-heading {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 500;
  color: var(--text);
  font-family: var(--sans);
}

.overview-lead {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-secondary);
  max-width: none;
}

.overview-stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 10px;
}

.overview-stat {
  padding: 14px 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background: var(--surface);
}

.overview-stat-label {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.overview-stat-value {
  font-size: 22px;
  font-weight: 500;
  font-family: var(--mono);
  color: var(--text);
  line-height: 1.2;
}

.overview-stat-hint {
  margin-top: 6px;
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.35;
}

.overview-footnote {
  margin: 12px 0 0;
  font-size: 12px;
  color: var(--text-muted);
}

.overview-dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px 20px;
  margin: 0;
  font-size: 13px;
}

.overview-dl dt {
  margin: 0;
  color: var(--text-muted);
}

.overview-dl dd {
  margin: 0;
  font-family: var(--mono);
  color: var(--text);
}

.metric-value {
  display: block;
  font-family: var(--sans);
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 400;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--text);
}

.metric-value.accent-ok {
  color: var(--accent-ok);
}

.metric-value.accent-live {
  color: var(--accent-live);
}

.metric-spark {
  margin-top: 10px;
  height: 28px;
  opacity: 0.85;
}

/* Header wordmark rail */
header {
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 0 color-mix(in srgb, var(--text) 4%, transparent);
}

header h1::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 8px;
  border-radius: 50%;
  background: var(--accent-live);
  vertical-align: middle;
}

/* List selection: ring + tint (no border-left rail) */
.sess.active,
.ex.active {
  background: color-mix(in srgb, var(--accent-live) 10%, var(--surface));
  border-color: color-mix(in srgb, var(--accent-live) 35%, var(--border));
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent-live) 22%, transparent);
}

/* Scrollbars (WebKit) */
.scroll::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

.scroll::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}

.scroll::-webkit-scrollbar-track {
  background: transparent;
}

[data-theme="light"] .panel-bone::after,
[data-theme="light"] .stream-panel.panel-bone::after {
  opacity: 0.03;
}