.rr-panel {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.rr-panel-header {
  display: flex;
  gap: 1rem;
  align-items: start;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  padding: 0.2rem 0.2rem 0.2rem;
  background: var(--surface-strong);
}
.rr-panel-title {
  display: inline;
  margin: 0;
  font-size: 1rem;
  line-height: 1.25;
}
.rr-panel-kicker {
  display: inline;
  margin: 0.2rem 0 0;
  color: var(--muted);
  font-size: 0.86rem;
}
.rr-panel-body {
  padding: 1rem;
}

.rr-sink-section {
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

/*
 * Time sink
 */

.rr-time-sink-header,
.rr-time-sink-controls {
  flex-wrap: wrap;
}

.rr-time-sink-controls {
  display: flex;
  gap: 0.4rem;
  align-items: end;
  /* Follow the page's selected theme, including an explicit light override
   * when the operating system prefers dark colors. */
  color-scheme: inherit;
  color: var(--text, CanvasText);
}

.rr-time-sink-control-field {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.rr-time-sink-control-field input {
  width: 6rem;
}

.rr-time-sink-controls input,
.rr-time-sink-controls select,
.rr-time-sink-controls button {
  color: var(--text, CanvasText);
  background: var(--surface, Canvas);
  border: 1px solid var(--border-strong, GrayText);
  border-radius: 4px;
  padding: 0.25rem 0.4rem;
  font: inherit;
}

.rr-time-sink-controls :disabled {
  opacity: 0.6;
}

.rr-time-sink-canvas {
  display: block;
  width: 100%;
  height: clamp(200px, 20vh, 470px);
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  background: var(--surface-muted);
}

/*
 * Arbitrary-X sink
 */
.rr-xy-sink-canvas {
  display: block;
  width: 100%;
  height: clamp(330px, 42vh, 560px);
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  background: var(--surface-muted);
}

/*
 * Waterfall sink
 */
.rr-waterfall-sink-layout {
  color: #222;
  display: grid;
  font: 12px sans-serif;
  grid-template-columns: 40px minmax(0, 1fr);
  grid-template-rows: auto 18px 18px 18px;
  column-gap: 8px;
  row-gap: 4px;
  align-items: stretch;
}

.rr-waterfall-sink-y-label {
  color: #222;
  display: flex;
  grid-column: 1;
  grid-row: 1 / span 3;
  align-items: center;
  justify-content: center;
  min-width: 32px;
}

.rr-waterfall-sink-y-label-text {
  transform: rotate(-90deg);
  white-space: nowrap;
}

.rr-waterfall-sink-plot {
  background: #fff;
  color: #e7e7e7;
  grid-column: 2;
  grid-row: 1;
  min-width: 0;
  position: relative;
}

.rr-waterfall-sink-canvas {
  display: block;
  width: 100%;
  height: clamp(280px, 32vh, 380px);
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  background: var(--surface-muted);
}

.rr-waterfall-sink-grid {
  display: none;
  position: absolute;
  top: 0;
  bottom: 0;
  border-left: 1px solid currentColor;
  pointer-events: none;
}

.rr-waterfall-sink-grid-0 {
  left: 0;
}

.rr-waterfall-sink-grid-1 {
  left: 25%;
}

.rr-waterfall-sink-grid-2 {
  left: 50%;
}

.rr-waterfall-sink-grid-3 {
  left: 75%;
}

.rr-waterfall-sink-grid-4 {
  left: 100%;
}

.rr-waterfall-sink-status {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  color: #222;
  pointer-events: none;
}

.rr-waterfall-sink-status-hidden {
  display: none;
}

.rr-waterfall-sink-x-ticks {
  grid-column: 2;
  grid-row: 2;
  position: relative;
  min-width: 0;
  height: 18px;
}

.rr-waterfall-sink-tick {
  position: absolute;
  transform: translateX(-50%);
  white-space: nowrap;
}

.rr-waterfall-sink-tick-0 {
  left: 0;
}

.rr-waterfall-sink-tick-1 {
  left: 25%;
}

.rr-waterfall-sink-tick-2 {
  left: 50%;
}

.rr-waterfall-sink-tick-3 {
  left: 75%;
}

.rr-waterfall-sink-tick-4 {
  left: 100%;
}

.rr-waterfall-sink-x-label {
  grid-column: 2;
  grid-row: 3;
  text-align: center;
}

/* Reserve the readout row so entering the plot does not move the layout. */
.rr-waterfall-sink-cursor-frequency {
  grid-column: 2;
  grid-row: 4;
  text-align: center;
}

@media (prefers-color-scheme: dark) {
  .rr-waterfall-sink-layout,
  .rr-waterfall-sink-y-label,
  .rr-waterfall-sink-status {
    color: #ddd;
  }

  .rr-waterfall-sink-plot {
    background: #0b0b0b;
    color: #242424;
  }

  .rr-waterfall-sink-status {
    background: #0b0b0b;
  }
}
:root {
  color-scheme: light dark;
  font: 15px/1.5 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --page: light-dark(#f3f6f7, #0d1418);
  --surface: light-dark(#ffffff, #151f25);
  --input: light-dark(#f8fafb, #10191e);
  --text: light-dark(#192c34, #e1edf1);
  --muted: light-dark(#566b75, #9aafb9);
  --line: light-dark(#dce5e9, #2a3b44);
  --accent: light-dark(#087f74, #59d6c3);
  --accent-soft: light-dark(#e8f6f2, #1a3735);
  --on-accent: light-dark(#ffffff, #0b2522);
  --border: var(--line);
  --surface-strong: var(--input);
  --radius: 10px;
  --shadow: none;
  --disabled: light-dark(#6b7280, #9ca3af);
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--page); color: var(--text); }
main { max-width: 1220px; margin: auto; padding: 40px 32px 24px; }
.page-header { display: flex; align-items: start; justify-content: space-between; gap: 24px; margin-bottom: 32px; }
.eyebrow { margin: 0; font-size: 0.72rem; font-weight: 650; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); }
.eyebrow span { margin: 0 8px; color: var(--line); }
h1 { margin: 8px 0; font-size: clamp(2rem, 4vw, 2.7rem); line-height: 1.2; letter-spacing: -0.045em; font-weight: 650; }
.intro { margin: 0; color: var(--muted); }
.badge { padding: 5px 10px; border: 1px solid var(--line); border-radius: 20px; color: var(--muted); font-size: 0.75rem; }
.steps { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.step { min-width: 0; display: flex; flex-direction: column; padding: 24px; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; }
.step-heading { display: flex; align-items: center; gap: 14px; }
.step-number { display: grid; place-items: center; width: 44px; height: 44px; flex-shrink: 0; border: 1px solid var(--line); border-radius: 12px; background: var(--accent-soft); color: var(--accent); font: 600 0.9rem ui-monospace, monospace; }
h2 { margin: 2px 0 0; font-size: 1.15rem; font-weight: 650; letter-spacing: -0.025em; }
.step-description { margin: 18px 0; color: var(--muted); font-size: 0.9rem; }
.server-fields { display: grid; grid-template-columns: minmax(0, 1fr) 110px; gap: 12px; }
.stream-fields { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 12px; }
label { display: flex; flex-direction: column; gap: 6px; min-width: 0; font-size: 0.85rem; font-weight: 550; }
input, select, button { font: inherit; border: 1px solid var(--line); border-radius: 8px; min-height: 42px; }
input, select { width: 100%; padding: 9px 11px; background: var(--input); color: var(--text); }
input:focus-visible, select:focus-visible, button:focus-visible, summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
input:disabled, select:disabled { color: var(--disabled); cursor: not-allowed; opacity: 0.65; }
option:disabled { color: var(--disabled); }
.tls { flex-direction: row; align-items: center; gap: 9px; margin: 16px 0 24px; color: var(--muted); font-weight: 400; }
.tls input { width: 16px; height: 16px; min-height: 0; margin: 0; accent-color: var(--accent); }
.field-help { font-size: 0.78rem; color: var(--muted); }
p.field-help { margin: 12px 0 24px; }
.step-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: auto; }
button { padding: 9px 16px; cursor: pointer; font-size: 0.85rem; font-weight: 600; transition: background 120ms, border-color 120ms; }
button.primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
button.primary span { margin-left: 12px; }
button.secondary { background: var(--surface); color: var(--text); }
button:not(:disabled):hover { filter: brightness(0.93); }
button:disabled { cursor: not-allowed; background: var(--input); border-color: var(--line); color: var(--disabled); }
#stream-step[data-ready="false"] .step-number { background: var(--input); color: var(--muted); }
.steps[data-stage="stream"] #stream-step, .steps[data-stage="active"] #stream-step { border-color: var(--accent); }
.session-status { display: flex; align-items: center; gap: 10px; margin: 20px 2px; min-height: 24px; }
.status-dot { width: 7px; height: 7px; flex-shrink: 0; border-radius: 50%; background: var(--muted); }
body:has(.steps[data-stage="active"]) .status-dot { background: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
#status { margin: 0; color: var(--muted); font-size: 0.85rem; overflow-wrap: anywhere; }
.display-panel { min-width: 0; overflow: hidden; padding: 20px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); }
.display-heading { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; margin-bottom: 14px; }
#waterfall { min-width: 0; }
details { margin-top: 20px; padding: 14px 0; border-top: 1px solid var(--line); color: var(--muted); font-size: 0.85rem; }
summary { cursor: pointer; width: fit-content; }
pre { white-space: pre-wrap; overflow-wrap: anywhere; max-height: 250px; overflow: auto; font-size: 0.8rem; }
footer { display: flex; flex-wrap: wrap; gap: 8px; padding-top: 16px; color: var(--muted); font-size: 0.75rem; }
@media (max-width: 760px) {
  main { padding: 24px 16px; }
  .page-header { gap: 12px; margin-bottom: 24px; }
  .steps { grid-template-columns: 1fr; gap: 14px; }
  .step { padding: 20px; }
  .display-panel { padding: 12px; }
}
@media (max-width: 400px) {
  .badge { display: none; }
  .stream-fields { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) { button { transition: none; } }