/* Styles are scoped to the embedded volatility-surface application. */
.iv-surface-app {
  --oj-red: rgb(237, 44, 30);
  --oj-red-dark: rgb(179, 30, 21);
  --bg: #0b0b0c;
  --surface: #111113;
  --surface-raised: #171719;
  --surface-hover: #1d1d20;
  --border: #2b2b2f;
  --border-strong: #3a3a3f;
  --text: #f2f2f3;
  --text-soft: #c5c5c8;
  --muted: #8a8a90;
  --muted-dark: #66666c;
  --call: #d9d9dc;
  --put: rgb(237, 44, 30);
  width: 100%;
  max-width: none;
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  font-size: 14px;
  line-height: 1.4;
  font-variant-numeric: tabular-nums;
  isolation: isolate;
  overflow: hidden;
}

.iv-surface-app,
.iv-surface-app * { box-sizing: border-box; }
.iv-surface-app button,
.iv-surface-app input,
.iv-surface-app select { font: inherit; }
.iv-surface-app button { color: inherit; }
.iv-surface-app img,
.iv-surface-app svg { max-width: none; }
.iv-surface-app [hidden] { display: none !important; }
.iv-surface-duplicate-note { padding: 14px; border: 1px solid #dcdcde; background: #fff; color: #1d2327; }

.iv-surface-app .volscape-shell {
  width: 100%;
  min-height: 760px;
}

/* Controls */
.iv-surface-app .controls-panel {
  border: 1px solid var(--border);
  border-top: 3px solid var(--oj-red);
  background: var(--surface);
}

.iv-surface-app .query-row {
  display: grid;
  grid-template-columns: minmax(300px, 410px) minmax(360px, 1fr);
  align-items: end;
  gap: 24px;
  padding: 18px 22px;
  border-bottom: 1px solid var(--border);
}

.iv-surface-app .ticker-field > label,
.iv-surface-app .display-label,
.iv-surface-app .parameter-heading,
.iv-surface-app .model-card > label {
  display: block;
  color: var(--text-soft);
  font-size: 12px;
  font-weight: 650;
}

.iv-surface-app .ticker-field > label { margin-bottom: 8px; }
.iv-surface-app .ticker-input-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  height: 40px;
  border: 1px solid var(--border-strong);
  background: #0d0d0f;
}
.iv-surface-app .ticker-input-wrap:focus-within {
  border-color: var(--oj-red);
  box-shadow: 0 0 0 1px var(--oj-red);
}
.iv-surface-app .ticker-input-wrap input {
  min-width: 0;
  width: 100%;
  padding: 0 12px;
  border: 0;
  outline: 0;
  color: var(--text);
  background: transparent;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .035em;
  text-transform: uppercase;
}
.iv-surface-app .load-button {
  min-width: 112px;
  padding: 0 15px;
  border: 0;
  border-left: 1px solid var(--oj-red-dark);
  background: var(--oj-red);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: background .16s ease, opacity .16s ease;
}
.iv-surface-app .load-button:hover { background: #ff3c2e; }
.iv-surface-app .load-button:disabled { opacity: .55; cursor: wait; }

.iv-surface-app .quick-tickers > span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 11px;
}
.iv-surface-app .quick-tickers > div { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; }
.iv-surface-app .quick-tickers button {
  min-height: 36px;
  padding: 0 8px;
  border: 1px solid var(--border);
  background: #0d0d0f;
  color: var(--text-soft);
  font-size: 12px;
  font-weight: 650;
  cursor: pointer;
  transition: border-color .16s ease, color .16s ease, background .16s ease;
}
.iv-surface-app .quick-tickers button:hover {
  border-color: var(--oj-red);
  color: #fff;
  background: rgba(237, 44, 30, .08);
}

.iv-surface-app .parameter-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1.1fr 1.25fr;
  background: var(--surface);
}
.iv-surface-app .parameter-card {
  min-width: 0;
  padding: 18px 20px;
  border-right: 1px solid var(--border);
}
.iv-surface-app .parameter-card:last-child { border-right: 0; }
.iv-surface-app .parameter-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}
.iv-surface-app .parameter-heading small {
  color: var(--muted-dark);
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
}
.iv-surface-app .dual-input { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.iv-surface-app .dual-input label {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 62px;
  align-items: center;
  min-height: 38px;
  border: 1px solid var(--border);
  background: #0d0d0f;
}
.iv-surface-app .dual-input label:focus-within { border-color: var(--border-strong); }
.iv-surface-app .dual-input span {
  padding-left: 11px;
  color: var(--muted);
  font-size: 10px;
}
.iv-surface-app .dual-input input {
  width: 100%;
  height: 36px;
  padding: 0 10px 0 2px;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
  text-align: right;
  font-size: 13px;
  font-weight: 650;
}

.iv-surface-app .range-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--text-soft);
  font-size: 12px;
  font-weight: 650;
}
.iv-surface-app .range-line output {
  min-width: 32px;
  color: var(--oj-red);
  text-align: right;
  font-weight: 750;
}
.iv-surface-app input[type="range"] {
  width: 100%;
  height: 3px;
  margin: 17px 0 8px;
  border: 0;
  outline: 0;
  appearance: none;
  background: #3a3a3f;
  cursor: pointer;
}
.iv-surface-app input[type="range"]::-webkit-slider-thumb {
  width: 14px;
  height: 14px;
  border: 2px solid var(--surface);
  appearance: none;
  background: var(--oj-red);
  box-shadow: 0 0 0 1px var(--oj-red);
}
.iv-surface-app input[type="range"]::-moz-range-thumb {
  width: 12px;
  height: 12px;
  border: 2px solid var(--surface);
  border-radius: 0;
  background: var(--oj-red);
  box-shadow: 0 0 0 1px var(--oj-red);
}
.iv-surface-app .range-help {
  display: flex;
  justify-content: space-between;
  color: var(--muted-dark);
  font-size: 9px;
}

.iv-surface-app .model-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.iv-surface-app .model-card > label { min-width: 0; }
.iv-surface-app select {
  display: block;
  width: 100%;
  height: 38px;
  margin-top: 8px;
  padding: 0 34px 0 11px;
  border: 1px solid var(--border);
  border-radius: 0;
  outline: 0;
  background-color: #0d0d0f;
  color: var(--text);
  font-size: 12px;
  cursor: pointer;
}
.iv-surface-app select:focus { border-color: var(--oj-red); }

.iv-surface-app .display-row {
  display: grid;
  grid-template-columns: minmax(420px, 1fr) minmax(220px, .45fr) minmax(240px, .45fr);
  align-items: center;
  gap: 28px;
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  background: #0e0e10;
}
.iv-surface-app .display-options { display: flex; align-items: center; gap: 20px; }
.iv-surface-app .display-label { color: var(--muted); font-size: 11px; }
.iv-surface-app .check-control {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-soft);
  font-size: 12px;
  cursor: pointer;
  white-space: nowrap;
}
.iv-surface-app .check-control input {
  width: 15px;
  height: 15px;
  margin: 0;
  accent-color: var(--oj-red);
}
.iv-surface-app .smoothing-control input[type="range"] { margin: 10px 0 0; }
.iv-surface-app .axis-control { display: grid; grid-template-columns: auto minmax(150px, 1fr); align-items: center; gap: 12px; }
.iv-surface-app .segmented {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--border);
  background: #0d0d0f;
}
.iv-surface-app .segmented button {
  min-height: 34px;
  padding: 0 12px;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 11px;
  font-weight: 650;
  cursor: pointer;
}
.iv-surface-app .segmented button + button { border-left: 1px solid var(--border); }
.iv-surface-app .segmented button.active { background: var(--oj-red); color: #fff; }

/* Workspace */
.iv-surface-app .workspace { min-width: 0; padding: 0 0 22px; }
.iv-surface-app .topbar {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 0 22px;
  border: 1px solid var(--border);
  border-top: 0;
  background: #0e0e10;
}
.iv-surface-app .instrument-title { display: flex; align-items: baseline; gap: 15px; min-width: 0; }
.iv-surface-app .ticker-title { color: #fff; font-size: 28px; line-height: 1; font-weight: 760; letter-spacing: -.025em; }
.iv-surface-app .instrument-meta { color: var(--muted); font-size: 11px; white-space: nowrap; }
.iv-surface-app .meta-sep { margin: 0 6px; color: var(--muted-dark); }
.iv-surface-app .top-actions { display: flex; gap: 8px; }
.iv-surface-app .secondary-action,
.iv-surface-app .primary-action {
  min-height: 36px;
  padding: 0 14px;
  border: 1px solid var(--border-strong);
  background: transparent;
  color: var(--text-soft);
  font-size: 12px;
  font-weight: 650;
  cursor: pointer;
  transition: border-color .16s ease, color .16s ease, background .16s ease;
}
.iv-surface-app .secondary-action:hover,
.iv-surface-app .secondary-action.active { border-color: var(--oj-red); color: #fff; background: rgba(237, 44, 30, .08); }
.iv-surface-app .primary-action { border-color: var(--oj-red); background: var(--oj-red); color: #fff; }
.iv-surface-app .primary-action:hover { background: #ff3c2e; }
.iv-surface-app .primary-action:disabled { opacity: .55; cursor: wait; }

.iv-surface-app .metric-strip {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  border: 1px solid var(--border);
  border-top: 0;
  background: var(--surface);
}
.iv-surface-app .metric-strip article {
  min-width: 0;
  padding: 16px 18px;
  border-right: 1px solid var(--border);
}
.iv-surface-app .metric-strip article:last-child { border-right: 0; }
.iv-surface-app .metric-strip span { display: block; color: var(--muted); font-size: 11px; }
.iv-surface-app .metric-strip strong {
  display: block;
  margin: 5px 0 2px;
  overflow: hidden;
  color: #fff;
  font-size: 22px;
  line-height: 1.15;
  font-weight: 720;
  letter-spacing: -.025em;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.iv-surface-app .metric-strip small { color: var(--muted-dark); font-size: 9px; text-transform: uppercase; letter-spacing: .06em; }

.iv-surface-app .canvas-panel {
  position: relative;
  min-height: 688px;
  margin-top: 16px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: radial-gradient(circle at 51% 43%, #18171b 0%, #111113 54%, #0b0b0c 100%);
}
.iv-surface-app .chart-toolbar {
  min-height: 50px;
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  background: rgba(17, 17, 19, .9);
}
.iv-surface-app .tabs { display: flex; align-items: stretch; padding-left: 8px; }
.iv-surface-app .tabs button {
  position: relative;
  padding: 0 14px;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 12px;
  font-weight: 620;
  cursor: pointer;
}
.iv-surface-app .tabs button:hover { color: var(--text-soft); }
.iv-surface-app .tabs button.active { color: #fff; }
.iv-surface-app .tabs button.active::after {
  content: "";
  position: absolute;
  right: 14px;
  bottom: -1px;
  left: 14px;
  height: 2px;
  background: var(--oj-red);
}
.iv-surface-app .chart-legend {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 0 18px;
  color: var(--muted);
  font-size: 11px;
}
.iv-surface-app .legend-chip { display: inline-block; width: 8px; height: 8px; margin-right: 6px; }
.iv-surface-app .legend-chip.call { background: var(--call); }
.iv-surface-app .legend-chip.put { background: var(--put); }
.iv-surface-app .chart-meta {
  position: relative;
  z-index: 2;
  min-height: 36px;
  display: flex;
  align-items: center;
  padding: 0 16px;
  border-bottom: 1px solid rgba(255,255,255,.045);
  background: rgba(13,13,15,.72);
  pointer-events: none;
}
.iv-surface-app .chart-note { color: var(--muted-dark); font-size: 11px; line-height: 1.35; }
.iv-surface-app .chart { width: 100%; height: 600px; }
.iv-surface-app .canvas-panel.surface-view { min-height: 786px; }
.iv-surface-app .canvas-panel.surface-view .chart { height: 700px; }

.iv-surface-app .loading-overlay,
.iv-surface-app .error-overlay {
  position: absolute;
  inset: 86px 0 0;
  z-index: 10;
  display: grid;
  place-content: center;
  padding: 32px;
  background: rgba(11, 11, 12, .9);
  text-align: center;
  backdrop-filter: blur(5px);
}
.iv-surface-app .loader-line {
  width: 180px;
  height: 2px;
  margin: 0 auto 18px;
  overflow: hidden;
  background: #333338;
}
.iv-surface-app .loader-line i {
  display: block;
  width: 45%;
  height: 100%;
  background: var(--oj-red);
  animation: surfaceLoading 1.1s ease-in-out infinite;
}
@keyframes surfaceLoading {
  0% { transform: translateX(-110%); }
  100% { transform: translateX(330%); }
}
.iv-surface-app .loading-overlay strong { color: #fff; font-size: 15px; font-weight: 680; }
.iv-surface-app .loading-overlay span { margin-top: 7px; color: var(--muted); font-size: 12px; }
.iv-surface-app .error-kicker { color: var(--oj-red); font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; }
.iv-surface-app .error-overlay strong { margin-top: 8px; color: #fff; font-size: 24px; font-weight: 720; }
.iv-surface-app .error-overlay p { max-width: 560px; margin: 12px auto 18px; color: var(--text-soft); font-size: 13px; line-height: 1.55; }
.iv-surface-app .error-overlay button {
  justify-self: center;
  min-height: 36px;
  padding: 0 14px;
  border: 1px solid var(--border-strong);
  background: transparent;
  color: #fff;
  font-size: 12px;
  font-weight: 650;
  cursor: pointer;
}
.iv-surface-app .error-overlay button:hover { border-color: var(--oj-red); }

.iv-surface-app .lower-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 16px; margin-top: 16px; }
.iv-surface-app .read-panel,
.iv-surface-app .quality-panel {
  min-height: 156px;
  padding: 18px 20px;
  border: 1px solid var(--border);
  background: var(--surface);
}
.iv-surface-app .panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
  color: var(--text-soft);
  font-size: 12px;
  font-weight: 680;
}
.iv-surface-app .live-pill {
  padding: 3px 7px;
  border: 1px solid rgba(237, 44, 30, .55);
  color: var(--oj-red);
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
}
.iv-surface-app .read-list { display: grid; gap: 9px; padding-top: 13px; }
.iv-surface-app .read-item {
  display: grid;
  grid-template-columns: 9px 1fr;
  gap: 10px;
  color: var(--text-soft);
  font-size: 12px;
  line-height: 1.45;
}
.iv-surface-app .read-item::before { content: ""; width: 4px; height: 4px; margin-top: 7px; background: var(--oj-red); }
.iv-surface-app .quality-grid { display: grid; grid-template-columns: repeat(3, 1fr); padding-top: 17px; }
.iv-surface-app .quality-grid > div { min-width: 0; padding-right: 14px; border-right: 1px solid var(--border); }
.iv-surface-app .quality-grid > div + div { padding-left: 14px; }
.iv-surface-app .quality-grid > div:last-child { padding-right: 0; border-right: 0; }
.iv-surface-app .quality-grid small { display: block; color: var(--muted); font-size: 10px; line-height: 1.35; }
.iv-surface-app .quality-grid strong { display: block; margin-top: 7px; color: #fff; font-size: 16px; font-weight: 680; }
.iv-surface-app .warning {
  margin-top: 13px;
  padding: 8px 10px;
  border-left: 2px solid var(--oj-red);
  background: rgba(237, 44, 30, .07);
  color: var(--text-soft);
  font-size: 10px;
  line-height: 1.45;
}

.iv-surface-app button:focus-visible,
.iv-surface-app input:focus-visible,
.iv-surface-app select:focus-visible { outline: 2px solid var(--oj-red); outline-offset: 2px; }
.iv-surface-app .modebar { opacity: .55 !important; }
.iv-surface-app .modebar:hover { opacity: 1 !important; }

@media (max-width: 1180px) {
  .iv-surface-app .query-row { grid-template-columns: minmax(280px, 390px) minmax(300px, 1fr); }
  .iv-surface-app .parameter-grid { grid-template-columns: 1fr 1fr; }
  .iv-surface-app .parameter-card:nth-child(2) { border-right: 0; }
  .iv-surface-app .parameter-card:nth-child(n+3) { border-top: 1px solid var(--border); }
  .iv-surface-app .display-row { grid-template-columns: 1fr 280px; }
  .iv-surface-app .axis-control { grid-column: 2; grid-row: 1; }
  .iv-surface-app .smoothing-control { grid-column: 1 / -1; display: grid; grid-template-columns: 130px 1fr; align-items: center; gap: 12px; }
  .iv-surface-app .smoothing-control input[type="range"] { margin: 0; }
}

@media (max-width: 820px) {
  .iv-surface-app .query-row { grid-template-columns: 1fr; gap: 16px; padding: 18px; }
  .iv-surface-app .quick-tickers { max-width: 440px; }
  .iv-surface-app .display-row { grid-template-columns: 1fr; gap: 16px; }
  .iv-surface-app .display-options { flex-wrap: wrap; gap: 14px 18px; }
  .iv-surface-app .axis-control { grid-column: auto; grid-row: auto; max-width: 360px; }
  .iv-surface-app .smoothing-control { grid-column: auto; display: block; }
  .iv-surface-app .smoothing-control input[type="range"] { margin-top: 10px; }
  .iv-surface-app .topbar { min-height: 92px; flex-wrap: wrap; padding: 14px 16px; }
  .iv-surface-app .top-actions { width: 100%; overflow-x: auto; }
  .iv-surface-app .metric-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .iv-surface-app .metric-strip article:nth-child(2n) { border-right: 0; }
  .iv-surface-app .metric-strip article:nth-child(n+3) { border-top: 1px solid var(--border); }
  .iv-surface-app .metric-strip article:nth-child(5) { grid-column: 1 / -1; border-right: 0; }
  .iv-surface-app .chart-toolbar { overflow-x: auto; }
  .iv-surface-app .tabs button { white-space: nowrap; }
  .iv-surface-app .chart-legend { display: none; }
  .iv-surface-app .chart-note { display: none; }
  .iv-surface-app .canvas-panel { min-height: 574px; }
  .iv-surface-app .chart { height: 488px; }
  .iv-surface-app .canvas-panel.surface-view { min-height: 646px; }
  .iv-surface-app .canvas-panel.surface-view .chart { height: 560px; }
  .iv-surface-app .lower-grid { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .iv-surface-app { font-size: 13px; }
  .iv-surface-app .ticker-input-wrap { grid-template-columns: 1fr; height: auto; }
  .iv-surface-app .ticker-input-wrap input { height: 40px; }
  .iv-surface-app .load-button { min-height: 42px; border-top: 1px solid var(--oj-red-dark); border-left: 0; }
  .iv-surface-app .quick-tickers > div { grid-template-columns: repeat(2, 1fr); }
  .iv-surface-app .parameter-grid { grid-template-columns: 1fr; }
  .iv-surface-app .parameter-card { border-right: 0; border-top: 1px solid var(--border); }
  .iv-surface-app .parameter-card:first-child { border-top: 0; }
  .iv-surface-app .model-card { grid-template-columns: 1fr; }
  .iv-surface-app .axis-control { grid-template-columns: 1fr; }
  .iv-surface-app .top-actions button { white-space: nowrap; }
  .iv-surface-app .instrument-title { display: block; }
  .iv-surface-app .instrument-meta { margin-top: 5px; }
  .iv-surface-app .tabs { padding-left: 0; }
  .iv-surface-app .tabs button { padding: 0 11px; font-size: 11px; }
  .iv-surface-app .tabs button.active::after { right: 11px; left: 11px; }
  .iv-surface-app .quality-grid { grid-template-columns: 1fr; gap: 12px; }
  .iv-surface-app .quality-grid > div,
  .iv-surface-app .quality-grid > div + div { padding: 0; border: 0; }
}

/* Version 2.0 accessibility, analytics and responsive refinements. */
.iv-surface-app { --muted-dark: #96959c; }
.iv-surface-app .quick-tickers > div { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.iv-surface-app .metric-strip { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.iv-surface-app .metric-strip article { border-bottom: 1px solid var(--border); }
.iv-surface-app .metric-strip article:nth-child(4n) { border-right: 0; }
.iv-surface-app .metric-strip article:nth-child(n+5) { border-bottom: 0; }
.iv-surface-app .metric-strip small { color: var(--muted-dark); font-size: 11px; text-transform: none; letter-spacing: 0; }
.iv-surface-app .chart { height: 600px; }
.iv-surface-app .chart.is-3d { height: 700px; }
.iv-surface-app .canvas-panel { min-height: 688px; }
.iv-surface-app .canvas-panel.is-3d-panel,
.iv-surface-app .canvas-panel:has(.chart.is-3d) { min-height: 788px; }
.iv-surface-app .chart-note { color: var(--muted-dark); font-size: 11px; }
.iv-surface-app .error-overlay small { display: block; margin: -8px auto 16px; color: var(--muted); font-size: 11px; }
.iv-surface-app .error-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; max-width: 720px; margin: 0 auto; }
.iv-surface-app .error-actions button { margin: 0; }
.iv-surface-app .accessible-summary {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.iv-surface-app .read-list > div {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 10px;
  padding: 7px 0;
  border-bottom: 1px solid rgba(255,255,255,.045);
}
.iv-surface-app .read-list > div:last-child { border-bottom: 0; }
.iv-surface-app .read-list > div > span { color: var(--oj-red); font-size: 10px; font-weight: 700; }
.iv-surface-app .read-list p { margin: 0; color: var(--text-soft); font-size: 12px; line-height: 1.5; }
.iv-surface-app .quality-grid { grid-template-columns: repeat(3, 1fr); gap: 0; }
.iv-surface-app .quality-grid > div:nth-child(3n) { border-right: 0; }
.iv-surface-app .quality-grid > div:nth-child(n+4) { margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--border); }

@media (max-width: 1180px) {
  .iv-surface-app .query-row { grid-template-columns: minmax(280px, 390px) minmax(300px, 1fr); }
  .iv-surface-app .quick-tickers > div { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 820px) {
  .iv-surface-app .metric-strip { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .iv-surface-app .metric-strip article { border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); }
  .iv-surface-app .metric-strip article:nth-child(2n) { border-right: 0; }
  .iv-surface-app .metric-strip article:nth-child(n+7) { border-bottom: 0; }
  .iv-surface-app .metric-strip article:nth-child(5) { grid-column: auto; }
  .iv-surface-app .chart { height: 488px; }
  .iv-surface-app .chart.is-3d { height: 560px; }
  .iv-surface-app .canvas-panel { min-height: 574px; }
  .iv-surface-app .canvas-panel.is-3d-panel,
  .iv-surface-app .canvas-panel:has(.chart.is-3d) { min-height: 646px; }
  .iv-surface-app .chart-note { display: block; }
}

@media (max-width: 560px) {
  .iv-surface-app .quick-tickers > div { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .iv-surface-app .metric-strip strong { font-size: 19px; }
  .iv-surface-app .quality-grid { grid-template-columns: 1fr 1fr; }
  .iv-surface-app .quality-grid > div:nth-child(odd) { border-right: 1px solid var(--border); }
  .iv-surface-app .quality-grid > div:nth-child(even) { border-right: 0; }
  .iv-surface-app .quality-grid > div:nth-child(n+3) { margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--border); }
}

@media (prefers-reduced-motion: reduce) {
  .iv-surface-app *,
  .iv-surface-app *::before,
  .iv-surface-app *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

/* Version 2.0.4: inherited theme, refined controls and aligned display row. */
.iv-surface-app {
  color-scheme: light;
  --bg: #f4f4f1;
  --surface: #ffffff;
  --surface-raised: #f7f7f5;
  --surface-hover: #f0f0ed;
  --border: #deded8;
  --border-strong: #c5c5bd;
  --text: #171719;
  --text-strong: #09090a;
  --text-soft: #3d3d42;
  --muted: #6d6d73;
  --muted-dark: #7a7a80;
  --input-bg: #fafaf8;
  --toolbar-bg: rgba(255,255,255,.94);
  --subtle-bg: #f7f7f5;
  --chart-start: #ffffff;
  --chart-mid: #f7f5f1;
  --chart-end: #ece9e3;
  --overlay-bg: rgba(255,255,255,.93);
  --hairline: rgba(0,0,0,.07);
  --slider-track: #c9c9c4;
  --call: #5f5f67;
  --put: rgb(237,44,30);
  --plot-text: #171719;
  --plot-muted: #6d6d73;
  --plot-grid: #d9d9d4;
  --plot-zero: #a7a7a1;
  --plot-axis: #65656b;
  --plot-title: #44444a;
  --plot-scene-plane: rgba(0,0,0,.025);
  --plot-hover-bg: #ffffff;
  --plot-hover-border: #c9c9c4;
  --plot-marker-edge: #ffffff;
  --plot-atm: rgba(24,24,26,.72);
  --plot-contour-line: rgba(95,31,18,.30);
  --plot-watermark: rgba(24,24,26,.48);
  --export-bg: #f7f7f4;
  --export-text: #171719;
  --export-muted: rgba(23,23,25,.60);
  --export-line: rgba(23,23,25,.16);
}

.iv-surface-app.ivs-theme-dark {
  color-scheme: dark;
  --bg: #0b0b0c;
  --surface: #111113;
  --surface-raised: #171719;
  --surface-hover: #1d1d20;
  --border: #2b2b2f;
  --border-strong: #3a3a3f;
  --text: #f2f2f3;
  --text-strong: #ffffff;
  --text-soft: #c5c5c8;
  --muted: #8f8f96;
  --muted-dark: #96959c;
  --input-bg: #0d0d0f;
  --toolbar-bg: rgba(17,17,19,.92);
  --subtle-bg: #0e0e10;
  --chart-start: #18171b;
  --chart-mid: #111113;
  --chart-end: #0b0b0c;
  --overlay-bg: rgba(11,11,12,.91);
  --hairline: rgba(255,255,255,.055);
  --slider-track: #3a3a3f;
  --call: #d9d9dc;
  --plot-text: #f2f2f3;
  --plot-muted: #9a9aa1;
  --plot-grid: #35353a;
  --plot-zero: #55555b;
  --plot-axis: #a8a8ae;
  --plot-title: #bdbdc2;
  --plot-scene-plane: rgba(13,13,15,.48);
  --plot-hover-bg: #171719;
  --plot-hover-border: #4d4d53;
  --plot-marker-edge: #0a0e10;
  --plot-atm: rgba(255,255,255,.78);
  --plot-contour-line: rgba(255,247,221,.34);
  --plot-watermark: rgba(244,243,241,.52);
  --export-bg: #0b0b0c;
  --export-text: #f4f3f1;
  --export-muted: rgba(244,243,241,.58);
  --export-line: rgba(255,255,255,.14);
}

@media (prefers-color-scheme: dark) {
  .iv-surface-app:not(.ivs-theme-light) {
    color-scheme: dark;
    --bg: #0b0b0c;
    --surface: #111113;
    --surface-raised: #171719;
    --surface-hover: #1d1d20;
    --border: #2b2b2f;
    --border-strong: #3a3a3f;
    --text: #f2f2f3;
    --text-strong: #ffffff;
    --text-soft: #c5c5c8;
    --muted: #8f8f96;
    --muted-dark: #96959c;
    --input-bg: #0d0d0f;
    --toolbar-bg: rgba(17,17,19,.92);
    --subtle-bg: #0e0e10;
    --chart-start: #18171b;
    --chart-mid: #111113;
    --chart-end: #0b0b0c;
    --overlay-bg: rgba(11,11,12,.91);
    --hairline: rgba(255,255,255,.055);
    --slider-track: #3a3a3f;
    --call: #d9d9dc;
  }
}

.iv-surface-app .controls-panel,
.iv-surface-app .parameter-grid,
.iv-surface-app .metric-strip,
.iv-surface-app .read-panel,
.iv-surface-app .quality-panel { background: var(--surface); }
.iv-surface-app .display-row,
.iv-surface-app .topbar { background: var(--subtle-bg); }
.iv-surface-app .quick-tickers button,
.iv-surface-app .dual-input label,
.iv-surface-app select,
.iv-surface-app .segmented { background: var(--input-bg); }
.iv-surface-app input[type="range"] { background: var(--slider-track); }
.iv-surface-app .ticker-title,
.iv-surface-app .metric-strip strong,
.iv-surface-app .quality-grid strong,
.iv-surface-app .tabs button.active,
.iv-surface-app .loading-overlay strong,
.iv-surface-app .error-overlay strong { color: var(--text-strong); }
.iv-surface-app .quick-tickers button:hover { color: var(--text-strong); }
.iv-surface-app .canvas-panel {
  background: radial-gradient(circle at 51% 43%, var(--chart-start) 0%, var(--chart-mid) 54%, var(--chart-end) 100%);
}
.iv-surface-app .chart-toolbar { background: var(--toolbar-bg); }
.iv-surface-app .chart-meta {
  border-bottom-color: var(--hairline);
  background: var(--subtle-bg);
  background: color-mix(in srgb, var(--subtle-bg) 82%, transparent);
}
.iv-surface-app .read-list > div { border-bottom-color: var(--hairline); }
.iv-surface-app .loading-overlay,
.iv-surface-app .error-overlay { background: var(--overlay-bg); }

.iv-surface-app .query-row {
  grid-template-columns: minmax(280px, 340px) minmax(360px, 1fr);
}
.iv-surface-app .ticker-field { max-width: 340px; }
.iv-surface-app .ticker-input-wrap {
  display: grid;
  grid-template-columns: minmax(145px, 190px) auto;
  align-items: stretch;
  gap: 8px;
  height: 38px;
  border: 0;
  background: transparent;
}
.iv-surface-app .ticker-input-wrap:focus-within { border-color: transparent; box-shadow: none; }
.iv-surface-app .ticker-input-wrap input {
  height: 38px;
  padding: 0 11px;
  border: 1px solid var(--border-strong);
  background: var(--input-bg);
  font-size: 14px;
}
.iv-surface-app .ticker-input-wrap input:focus {
  border-color: var(--oj-red);
  box-shadow: 0 0 0 1px var(--oj-red);
}
.iv-surface-app .load-button {
  min-width: 108px;
  height: 38px;
  padding: 0 14px;
  border: 1px solid var(--oj-red);
}

.iv-surface-app .display-options {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 16px;
}
.iv-surface-app .display-toggle-group {
  display: flex;
  align-items: center;
  gap: 18px;
  min-height: 34px;
}
.iv-surface-app .display-options .display-label,
.iv-surface-app .check-control { line-height: 1; }
.iv-surface-app .check-control input { flex: 0 0 15px; }

@media (max-width: 1180px) {
  .iv-surface-app .query-row { grid-template-columns: minmax(280px, 340px) minmax(300px, 1fr); }
}

@media (max-width: 820px) {
  .iv-surface-app .query-row { grid-template-columns: 1fr; }
  .iv-surface-app .ticker-field { max-width: 340px; }
  .iv-surface-app .display-toggle-group { flex-wrap: wrap; gap: 14px 18px; }
}

@media (max-width: 560px) {
  .iv-surface-app .ticker-input-wrap { grid-template-columns: minmax(0, 1fr) auto; height: 38px; }
  .iv-surface-app .ticker-input-wrap input { height: 38px; }
  .iv-surface-app .load-button { min-height: 38px; border: 1px solid var(--oj-red); }
  .iv-surface-app .display-options { grid-template-columns: 1fr; gap: 10px; }
}
.iv-surface-app .error-overlay button { color: var(--text); }
.iv-surface-app .secondary-action:hover,
.iv-surface-app .secondary-action.active { color: var(--text-strong); }
.iv-surface-app .loader-line { background: var(--border-strong); }
.iv-surface-app .modebar-btn path { fill: var(--muted) !important; }

/* Version 2.0.6: restrained focus states and a legible inherited light toolbar. */
.iv-surface-app button:focus-visible {
  outline: 0;
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--oj-red) 28%, transparent);
}
.iv-surface-app input:focus-visible,
.iv-surface-app select:focus-visible {
  outline: 0;
  box-shadow: none;
}
.iv-surface-app .ticker-input-wrap input:focus {
  border-color: var(--oj-red);
  box-shadow: none;
}
.iv-surface-app .dual-input label:focus-within {
  border-color: var(--oj-red);
  box-shadow: none;
}
.iv-surface-app select:focus {
  border-color: var(--oj-red);
  box-shadow: none;
}
.iv-surface-app input[type="range"]:focus-visible {
  outline: 0;
  box-shadow: none;
}
.iv-surface-app input[type="range"]::-webkit-slider-thumb {
  box-shadow: 0 0 0 1px var(--oj-red);
}

.iv-surface-app.ivs-theme-light .topbar,
.iv-surface-app.ivs-theme-light .chart-toolbar {
  background: rgba(255,255,255,.98);
  color: #171719;
}
.iv-surface-app.ivs-theme-light .chart-toolbar {
  border-bottom-color: #d7d7d1;
  box-shadow: 0 1px 0 rgba(0,0,0,.025);
}
.iv-surface-app.ivs-theme-light .chart-meta {
  background: rgba(247,247,245,.98);
  border-bottom-color: #dfdfda;
}
.iv-surface-app.ivs-theme-light .tabs button {
  color: #66666c;
}
.iv-surface-app.ivs-theme-light .tabs button:hover,
.iv-surface-app.ivs-theme-light .tabs button.active {
  color: #111113;
}
.iv-surface-app.ivs-theme-light .chart-legend,
.iv-surface-app.ivs-theme-light .chart-note {
  color: #65656b;
}
.iv-surface-app.ivs-theme-light .secondary-action {
  border-color: #c8c8c1;
  background: #fff;
  color: #343438;
}
.iv-surface-app.ivs-theme-light .secondary-action:hover,
.iv-surface-app.ivs-theme-light .secondary-action.active {
  border-color: var(--oj-red);
  background: rgba(237,44,30,.055);
  color: #171719;
}
.iv-surface-app.ivs-theme-light .modebar {
  opacity: .88 !important;
}
.iv-surface-app.ivs-theme-light .modebar-group {
  margin-left: 4px !important;
  border: 1px solid #d6d6d0 !important;
  background: rgba(255,255,255,.96) !important;
  box-shadow: 0 2px 8px rgba(20,20,20,.07) !important;
}
.iv-surface-app.ivs-theme-light .modebar-btn {
  background: transparent !important;
}
.iv-surface-app.ivs-theme-light .modebar-btn:hover {
  background: #f1f1ee !important;
}
.iv-surface-app.ivs-theme-light .modebar-btn path {
  fill: #5e5e64 !important;
}
.iv-surface-app.ivs-theme-light .modebar-btn:hover path {
  fill: var(--oj-red) !important;
}