/* ------------------------------------------------------------------------
   Design tokens. Values are the dataviz skill's validated reference palette
   (surfaces, ink, categorical, status). Dark is the primary, default theme
   (trading-terminal convention); light is available via
   prefers-color-scheme for users whose OS asks for it. Both sets pass the
   six-checks validator for this surface pair; do not hand-pick new hexes
   without re-validating.
   ------------------------------------------------------------------------ */
:root {
  --page-plane: #0d0d0d;
  --surface-1: #1a1a19;
  --surface-2: #212120;
  --surface-3: #282826;
  --text-primary: #ffffff;
  --text-secondary: #c3c2b7;
  --text-muted: #9c9791;
  --gridline: #2c2c2a;
  --baseline: #383835;
  --border: rgba(255, 255, 255, 0.10);
  --border-strong: rgba(255, 255, 255, 0.16);
  --shadow-card: none;
  --glow-wash-1: rgba(57, 135, 229, 0.14);
  --glow-wash-2: rgba(144, 133, 233, 0.12);

  --cat-blue: #3987e5;
  --cat-aqua: #199e70;
  --cat-yellow: #c98500;
  --cat-green: #008300;
  --cat-violet: #9085e9;
  --cat-red: #e66767;
  --cat-magenta: #b83a99;
  --cat-orange: #d95926;

  --status-good: #0ca30c;
  --status-warning-ink: #fab219;
  --status-warning: #fab219;
  --status-serious: #ec835a;
  --status-critical: #ea6f68;

  /* semantic roles built from the above */
  --quadrant-long-buildup: var(--cat-green);
  --quadrant-short-covering: var(--cat-aqua);
  --quadrant-short-buildup: var(--cat-red);
  --quadrant-long-unwinding: var(--cat-orange);

  --series-call: var(--cat-blue);
  --series-put: var(--cat-violet);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-pill: 999px;
}

@media (prefers-color-scheme: light) {
  :root {
    --page-plane: #f9f9f7;
    --surface-1: #fcfcfb;
    --surface-2: #f3f2ee;
    --surface-3: #ebe9e4;
    --text-primary: #0b0b0b;
    --text-secondary: #52514e;
    --text-muted: #898781;
    --gridline: #e1e0d9;
    --baseline: #c3c2b7;
    --border: rgba(11, 11, 11, 0.10);
    --border-strong: rgba(11, 11, 11, 0.16);
    --shadow-card: 0 1px 2px rgba(11, 11, 11, 0.04), 0 4px 12px rgba(11, 11, 11, 0.05);
    --glow-wash-1: rgba(42, 120, 214, 0.08);
    --glow-wash-2: rgba(74, 58, 167, 0.06);

    --cat-blue: #2a78d6;
    --cat-aqua: #1baf7a;
    --cat-yellow: #eda100;
    --cat-green: #008300;
    --cat-violet: #4a3aa7;
    --cat-red: #e34948;
    --cat-magenta: #a13892;
    --cat-orange: #eb6834;

    --status-warning-ink: #a86400;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--page-plane);
  background-image:
    radial-gradient(1100px 460px at 12% -8%, var(--glow-wash-1), transparent 60%),
    radial-gradient(900px 420px at 100% 0%, var(--glow-wash-2), transparent 55%);
  background-repeat: no-repeat;
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--cat-blue); text-decoration: none; }
a:hover { text-decoration: underline; }

h1 {
  font-size: 1.375rem;
  font-weight: 650;
  letter-spacing: -0.01em;
  margin: 0 0 20px;
}

/* ---- top nav ---- */
.topnav {
  border-bottom: 1px solid var(--border);
  background: var(--surface-1);
  background: color-mix(in srgb, var(--surface-1) 86%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 10;
}
.topnav-inner {
  max-width: none;
  margin: 0 auto;
  padding: 0 32px;
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 26px;
  height: 26px;
  flex-shrink: 0;
  display: flex;
}
.brand-mark svg { width: 100%; height: 100%; }

.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a.nav-link {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--text-secondary);
  font-size: 0.87rem;
  font-weight: 550;
  padding: 7px 12px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
}
.nav-links a.nav-link:hover { text-decoration: none; background: var(--surface-2); color: var(--text-primary); }
.nav-links a.nav-link.active { color: var(--text-primary); background: var(--surface-2); }
.nav-link-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--text-muted); flex-shrink: 0; }
.nav-links a.nav-link.active .nav-link-dot { background: var(--cat-blue); }

.nav-sep { width: 1px; height: 20px; background: var(--border); margin: 0 4px; flex-shrink: 0; }

.nav-avatar {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cat-blue), var(--cat-violet));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
  flex-shrink: 0;
}
.nav-logout { display: flex; align-items: center; gap: 7px; }
.nav-logout-label { font-size: 0.82rem; color: var(--text-secondary); }

/* hamburger — hidden on desktop */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-sm);
}
.nav-hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-secondary);
  border-radius: 2px;
}
.nav-hamburger:hover span { background: var(--text-primary); }

/* ── tablet: horizontal nav but compact ──────────────────────────────── */
@media (max-width: 960px) {
  .topnav-inner { padding: 0 16px; height: 50px; }
  .brand { font-size: 0.88rem; gap: 7px; }
  .brand-mark { width: 22px; height: 22px; }
  .nav-links { gap: 1px; }
  .nav-links a.nav-link { font-size: 0.78rem; padding: 6px 8px; gap: 5px; }
  .nav-link-dot { display: none; }          /* hide dots to save width */
  .nav-logout-label { display: none; }      /* avatar only — tooltip shows email */
  .nav-sep { margin: 0 2px; }
}

/* ── mobile: hamburger dropdown ──────────────────────────────────────── */
@media (max-width: 480px) {
  .nav-hamburger { display: flex; }

  .nav-links {
    display: none;
    flex-direction: column;
    align-items: stretch;
    position: absolute;
    top: 50px;
    left: 0;
    right: 0;
    background: var(--surface-1);
    border-bottom: 1px solid var(--border);
    padding: 6px 12px 10px;
    gap: 2px;
    z-index: 9;
  }
  .nav-links.nav-open { display: flex; }
  .nav-links a.nav-link { font-size: 0.9rem; padding: 9px 10px; gap: 8px; }
  .nav-link-dot { display: block; }         /* restore dots in dropdown */
  .nav-logout-label { display: inline; }
  .nav-sep { display: none; }
}

/* ---- page shell ---- */
.page {
  max-width: none;
  margin: 0 auto;
  padding: 28px 32px 40px;
  width: 100%;
  flex: 1;
}
@media (max-width: 480px) {
  .page { padding: 16px 12px 28px; }
}
.page-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}
.page-header h1 { margin: 0; }
.page-subtitle { color: var(--text-secondary); font-size: 0.87rem; margin: 5px 0 0; }

.disclaimer-footer {
  text-align: center;
  font-size: 0.76rem;
  color: var(--text-muted);
  padding: 14px 20px;
  border-top: 1px solid var(--border);
  background: var(--surface-1);
}

/* ---- flash messages ---- */
.flash-stack { margin-bottom: 18px; display: flex; flex-direction: column; gap: 8px; }
.flash { padding: 10px 14px; border-radius: var(--radius-sm); font-size: 0.87rem; border: 1px solid transparent; }
.flash-success { background: rgba(12, 163, 12, 0.10); color: var(--status-good); border-color: rgba(12, 163, 12, 0.22); }
.flash-danger { background: rgba(208, 59, 59, 0.10); color: var(--status-critical); border-color: rgba(208, 59, 59, 0.22); }
.flash-info { background: rgba(42, 120, 214, 0.10); color: var(--cat-blue); border-color: rgba(42, 120, 214, 0.22); }

/* ---- auth: split-panel shell ----
   Cancels .page's padding via negative margins so the panel bleeds edge to
   edge, since only the auth pages need this full-bleed treatment. */
.auth-shell {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  width: calc(100% + 64px);
  margin: -28px -32px -40px;
  min-height: calc(100vh - 58px - 46px);
}
@media (max-width: 860px) {
  .auth-shell { grid-template-columns: 1fr; }
  .auth-hero { display: none; }
}

.auth-hero {
  position: relative;
  overflow: hidden;
  background: var(--surface-1);
  background-image:
    radial-gradient(760px 480px at 18% 12%, var(--glow-wash-1), transparent 62%),
    radial-gradient(680px 480px at 92% 88%, var(--glow-wash-2), transparent 58%);
  border-right: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px;
}
.auth-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(circle at 26% 22%, black, transparent 65%);
  -webkit-mask-image: radial-gradient(circle at 26% 22%, black, transparent 65%);
  opacity: 0.6;
}
.auth-hero-inner { position: relative; max-width: 420px; }
.auth-hero-logo { width: 50px; height: 50px; margin-bottom: 26px; }
.auth-hero-title {
  font-size: 1.65rem;
  font-weight: 750;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
}
.auth-hero-tagline {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.55;
  margin: 0 0 28px;
}
.auth-hero-features { list-style: none; margin: 0 0 30px; padding: 0; display: flex; flex-direction: column; gap: 14px; }
.auth-hero-features li { display: flex; gap: 11px; align-items: flex-start; color: var(--text-secondary); font-size: 0.85rem; line-height: 1.5; }
.auth-hero-features li::before { content: ""; width: 6px; height: 6px; margin-top: 6px; border-radius: 2px; background: var(--cat-blue); flex-shrink: 0; }
.auth-hero-disclaimer {
  color: var(--text-muted);
  font-size: 0.75rem;
  line-height: 1.5;
  border-top: 1px solid var(--border);
  padding-top: 16px;
}

.auth-form-side {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 24px;
  width: 100%;
}
.auth-card {
  width: 100%;
  max-width: 360px;
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 34px 32px;
  box-shadow: var(--shadow-card);
}
.auth-card-eyebrow {
  color: var(--cat-blue);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 0 0 8px;
}
.auth-card h1 { margin-bottom: 6px; }
.auth-card-lede { color: var(--text-secondary); font-size: 0.87rem; margin: 0 0 26px; }

.field { margin-bottom: 16px; display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: 0.82rem; color: var(--text-secondary); font-weight: 550; }
.field input {
  background: var(--surface-2);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 11px 13px;
  color: var(--text-primary);
  font-size: 0.92rem;
  font-family: inherit;
}
.field input:focus { outline: 2px solid var(--cat-blue); outline-offset: 1px; border-color: transparent; }
.field-error { color: var(--status-critical); font-size: 0.8rem; }
.auth-switch { font-size: 0.85rem; color: var(--text-secondary); margin-top: 20px; text-align: center; }

.btn-primary {
  background: var(--cat-blue);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  padding: 10px 18px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
}
.btn-primary:hover { filter: brightness(1.1); }
.btn-primary:disabled { opacity: 0.55; cursor: default; }
.btn-primary.btn-block { width: 100%; padding: 11px 18px; font-size: 0.92rem; margin-top: 6px; }

/* ---- symbol picker (segmented single-select button group) ---- */
.symbol-picker {
  display: inline-flex;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 3px;
  gap: 2px;
}
.symbol-btn {
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.84rem;
  font-weight: 650;
  letter-spacing: 0.01em;
  padding: 8px 20px;
  border-radius: var(--radius-pill);
  cursor: pointer;
  font-family: inherit;
  transition: background-color 0.15s ease, color 0.15s ease;
}
.symbol-btn:hover { color: var(--text-primary); }
.symbol-btn.is-active { background: var(--cat-blue); color: #fff; }

/* ---- toolbar ---- */
.toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 22px;
  flex-wrap: wrap;
}
.toolbar label { color: var(--text-secondary); font-size: 0.82rem; font-weight: 550; }
.toolbar select, .toolbar input {
  background: var(--surface-1);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  color: var(--text-primary);
  font-size: 0.87rem;
  font-family: inherit;
}
.toolbar select:focus, .toolbar input:focus { outline: 2px solid var(--cat-blue); outline-offset: 1px; }
.toolbar .toolbar-note { color: var(--text-muted); font-size: 0.8rem; margin-left: auto; }

/* ---- panels / cards ---- */
.panel {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 22px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-card);
}
.panel-title {
  font-size: 0.72rem;
  font-weight: 650;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin: 0 0 14px;
}
.panel-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}
.panel-header-row .panel-title { margin: 0; }

.vix-strip {
  padding: 12px 22px;
}
.vix-strip-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.vix-strip-label {
  font-size: 0.72rem;
  font-weight: 650;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}
.vix-strip-value {
  font-size: 0.9rem;
  color: var(--text-secondary);
}
.vix-strip-value strong { color: var(--text-primary); }
.vix-strip-value .vix-highlight {
  font-weight: 700;
  color: var(--cat-yellow);
}
.vix-strip-value .vix-strip-fresh { color: var(--status-good); font-weight: 600; }
.vix-strip-value .vix-strip-stale { color: var(--text-muted); }

.vix-action-inline-list {
  display: contents; /* children flow as siblings of the row's other items, not a nested box */
}
.vix-action-chip {
  font-size: 0.72rem;
  font-weight: 750;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--cat-orange);
  background: rgba(217, 89, 38, 0.14);
  border: 1px solid rgba(217, 89, 38, 0.3);
  border-radius: var(--radius-sm);
  padding: 3px 9px;
}

.btn-ghost-sm {
  background: var(--surface-2);
  border: 1px solid var(--border-strong);
  color: var(--text-secondary);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 6px 13px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-family: inherit;
  flex-shrink: 0;
}
.btn-ghost-sm:hover { background: var(--surface-3); color: var(--text-primary); }

.strike-chart-wrap { margin-bottom: 4px; }

/* ---- classification status card ---- */
.status-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.status-dot.status-good { background: var(--status-good); }
.status-dot.status-critical { background: var(--status-critical); }
.status-dot.status-warning { background: var(--status-warning); }
.status-dot.status-neutral { background: var(--text-muted); }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 16px 9px 12px;
  border-radius: var(--radius-pill);
  font-weight: 650;
  font-size: 0.98rem;
  letter-spacing: -0.005em;
  border: 1px solid transparent;
}
.badge-bullish_confirmation { background: rgba(250, 178, 25, 0.14); color: var(--status-warning-ink); border-color: rgba(250, 178, 25, 0.3); }
.badge-bearish_confirmation { background: rgba(250, 178, 25, 0.14); color: var(--status-warning-ink); border-color: rgba(250, 178, 25, 0.3); }
.badge-mixed { background: rgba(250, 178, 25, 0.14); color: var(--status-warning-ink); border-color: rgba(250, 178, 25, 0.3); }
.badge-no_significant_change { background: var(--surface-2); color: var(--text-secondary); border-color: var(--border); }

.read-header { margin-bottom: 18px; }
.read-description {
  margin: 10px 0 0;
  color: var(--text-secondary);
  font-size: 0.87rem;
  line-height: 1.55;
  max-width: 760px;
}

/* ---- multi-symbol "current read" grid (one block per watched symbol) ---- */
.symbol-read-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}
@media (max-width: 900px) {
  .symbol-read-grid { grid-template-columns: 1fr; }
}
.symbol-read-block,
.symbol-chart-block {
  min-width: 0;
}
.symbol-read-block + .symbol-read-block,
.symbol-chart-block + .symbol-chart-block {
  border-left: 1px solid var(--border);
  padding-left: 24px;
}
@media (max-width: 900px) {
  .symbol-read-block + .symbol-read-block,
  .symbol-chart-block + .symbol-chart-block {
    border-left: none;
    padding-left: 0;
    border-top: 1px solid var(--border);
    padding-top: 20px;
  }
}
.symbol-chart-block .symbol-name { margin: 0 0 10px; }
.symbol-read-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 4px;
}
.symbol-identity { display: flex; align-items: baseline; gap: 10px; }
.symbol-spot {
  font-size: 1.05rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--text-primary);
}
.symbol-name {
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: -0.005em;
  color: var(--text-primary);
}
.symbol-read-block .read-description { margin-bottom: 16px; }
.symbol-read-block .side-grid {
  grid-template-columns: 1fr 1fr;
  margin-bottom: 14px;
}
.symbol-read-block .side-grid .side-card:last-child { grid-column: 1 / -1; }
@media (max-width: 520px) {
  .symbol-read-block .side-grid { grid-template-columns: 1fr; }
  .symbol-read-block .side-grid .side-card:last-child { grid-column: auto; }
}

.side-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}
@media (max-width: 760px) {
  .side-grid { grid-template-columns: 1fr; }
}

.side-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
}
.score-label {
  color: var(--text-muted);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 650;
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 7px;
}
.score-swatch { width: 8px; height: 8px; border-radius: 2px; flex-shrink: 0; }
.score-swatch.call { background: var(--series-call); }
.score-swatch.put { background: var(--series-put); }
.side-card-value {
  font-size: 1.35rem;
  font-weight: 650;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
  margin-bottom: 7px;
}
.side-card-sub { font-size: 0.78rem; color: var(--text-secondary); line-height: 1.45; }
.side-card-sub-muted { color: var(--text-muted); }

.confidence-tag {
  font-size: 0.72rem;
  font-weight: 650;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.confidence-tag.high { color: var(--status-warning-ink); border-color: rgba(250, 178, 25, 0.35); background: rgba(250, 178, 25, 0.12); }

.meta-line { color: var(--text-secondary); font-size: 0.82rem; margin-top: 4px; }
.meta-line.muted { color: var(--text-muted); }

.panel-footer-note {
  color: var(--text-muted);
  font-size: 0.8rem;
  padding-top: 14px;
  margin-top: 4px;
  border-top: 1px solid var(--border);
}

/* ---- strike table ---- */
.table-scroll { overflow-x: auto; }
table.strike-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}
table.strike-table th, table.strike-table td {
  padding: 9px 12px;
  border-bottom: 1px solid var(--gridline);
  text-align: right;
  font-variant-numeric: tabular-nums;
}
table.strike-table th:first-child, table.strike-table td:first-child { text-align: left; font-variant-numeric: normal; }
table.strike-table th:nth-child(2), table.strike-table td:nth-child(2) { text-align: left; font-variant-numeric: normal; }
table.strike-table th:last-child, table.strike-table td:last-child { text-align: left; font-variant-numeric: normal; }
table.strike-table th {
  color: var(--text-muted);
  font-weight: 650;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.045em;
  border-bottom: 1px solid var(--border-strong);
}
table.strike-table tbody tr:hover td { background: var(--surface-2); }
tr.atm-row td { background: rgba(42, 120, 214, 0.06); }
tr.atm-row:hover td { background: rgba(42, 120, 214, 0.10); }

.atm-chip {
  display: inline-block;
  font-size: 0.63rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--cat-blue);
  background: rgba(42, 120, 214, 0.12);
  border-radius: 4px;
  padding: 1px 5px;
  margin-left: 6px;
  vertical-align: middle;
}

.flag-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  border-radius: 4px;
  background: rgba(250, 178, 25, 0.18);
  color: var(--status-warning-ink);
  font-size: 0.62rem;
  font-weight: 800;
  margin-right: 6px;
  flex-shrink: 0;
}

.quadrant-cell { display: inline-flex; align-items: center; gap: 7px; white-space: nowrap; }
.quadrant-dot { width: 8px; height: 8px; border-radius: 2px; flex-shrink: 0; }
.quadrant-dot.long_buildup { background: var(--quadrant-long-buildup); }
.quadrant-dot.short_covering { background: var(--quadrant-short-covering); }
.quadrant-dot.short_buildup { background: var(--quadrant-short-buildup); }
.quadrant-dot.long_unwinding { background: var(--quadrant-long-unwinding); }
.quadrant-dot.none { background: var(--text-muted); }

/* ---- strike-table "Read" column: bar length = |z| magnitude, color = quadrant ---- */
.quadrant-bar-cell {
  display: flex;
  align-items: center;
  gap: 9px;
  min-width: 130px;
}
.quadrant-bar-track {
  position: relative;
  flex: 1;
  height: 8px;
  border-radius: 4px;
  background: var(--surface-3);
  overflow: hidden;
}
.quadrant-bar-fill {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  border-radius: 4px;
  opacity: 0.4;
}
.quadrant-bar-fill.is-significant { opacity: 1; }
.quadrant-bar-fill.long_buildup { background: var(--quadrant-long-buildup); }
.quadrant-bar-fill.short_covering { background: var(--quadrant-short-covering); }
.quadrant-bar-fill.short_buildup { background: var(--quadrant-short-buildup); }
.quadrant-bar-fill.long_unwinding { background: var(--quadrant-long-unwinding); }
.quadrant-bar-fill.none { background: var(--text-muted); }
.quadrant-bar-value {
  font-variant-numeric: tabular-nums;
  font-size: 0.8rem;
  color: var(--text-secondary);
  min-width: 32px;
  text-align: right;
  flex-shrink: 0;
}
.quadrant-bar-value.is-significant { color: var(--text-primary); font-weight: 700; }

/* ---- legend ---- */
.legend-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  padding: 12px 16px;
  margin-bottom: 16px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  color: var(--text-secondary);
}
.legend-item { display: flex; align-items: center; gap: 7px; }

.empty-state {
  color: var(--text-muted);
  padding: 36px 0;
  text-align: center;
  font-size: 0.88rem;
}

/* ---- historical scrub controls ---- */
.slider-row { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; }
.slider-row input[type="range"] {
  flex: 1;
  accent-color: var(--cat-blue);
}

.playback-controls { display: flex; align-items: center; gap: 6px; flex-shrink: 0; }
.btn-icon {
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-strong);
  background: var(--surface-1);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.75rem;
  padding: 0;
  line-height: 1;
}
.btn-icon:hover:not(:disabled) { background: var(--surface-2); }
.btn-icon.is-active { background: var(--cat-blue); color: #fff; border-color: var(--cat-blue); }
.btn-icon:disabled { opacity: 0.4; cursor: default; }
.playback-controls select {
  background: var(--surface-1);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 7px 8px;
  color: var(--text-primary);
  font-size: 0.8rem;
  font-family: inherit;
  height: 32px;
}

.slider-time {
  font-variant-numeric: tabular-nums;
  color: var(--text-secondary);
  font-size: 0.83rem;
  min-width: 190px;
  text-align: right;
}

canvas { max-width: 100%; }

.stale-note { color: var(--status-warning-ink); font-size: 0.8rem; margin-top: 8px; }