/* Listening Log — Apple HIG / Liquid Glass visual system */

:root {
  /* Semantic system colors (iOS / macOS) */
  --label: rgba(0, 0, 0, 0.88);
  --secondary-label: rgba(60, 60, 67, 0.6);
  --tertiary-label: rgba(60, 60, 67, 0.3);
  --separator: rgba(60, 60, 67, 0.18);
  --opaque-separator: #C6C6C8;

  --grouped-bg: #F2F2F7;
  --grouped-bg-elevated: #FFFFFF;
  --fill: rgba(120, 120, 128, 0.16);
  --fill-secondary: rgba(120, 120, 128, 0.12);
  --fill-tertiary: rgba(120, 120, 128, 0.08);

  --system-blue: #007AFF;
  --system-blue-fill: #007AFF;
  --system-green: #34C759;
  --system-orange: #FF9500;
  --system-red: #FF3B30;
  --system-teal: #30B0C7;
  --system-indigo: #5856D6;
  --system-gray: #8E8E93;
  --system-yellow: #FFCC00;
  --on-accent: #FFFFFF;

  --blue-soft: rgba(0, 122, 255, 0.12);
  --green-soft: rgba(52, 199, 89, 0.14);
  --orange-soft: rgba(255, 149, 0, 0.14);

  --chrome: rgba(242, 242, 247, 0.78);
  --chrome-solid: #F2F2F7;
  --glass: rgba(255, 255, 255, 0.62);
  --glass-border: rgba(255, 255, 255, 0.55);
  --glass-highlight: inset 0 0.5px 0 rgba(255, 255, 255, 0.65);
  --shadow: 0 1px 0 rgba(0, 0, 0, 0.04), 0 8px 24px rgba(0, 0, 0, 0.06);

  --bar-track: rgba(120, 120, 128, 0.16);
  --tag-bg: rgba(120, 120, 128, 0.14);
  --heat-empty: #E5E5EA;
  --heat-1: #B0D0FF;
  --heat-2: #64A8FF;
  --heat-3: #007AFF;
  --heat-4: #0040DD;

  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-control: 12px;

  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display",
    "Helvetica Neue", "Segoe UI", sans-serif;
  --font-display: -apple-system, BlinkMacSystemFont, "SF Pro Display",
    "SF Pro Text", "Helvetica Neue", "Segoe UI", sans-serif;

  /* Compat aliases used across markup / charts */
  --ink: var(--label);
  --muted: var(--secondary-label);
  --line: var(--separator);
  --paper: var(--grouped-bg);
  --panel: var(--grouped-bg-elevated);
  --input: var(--fill-tertiary);
  --nav-bg: var(--chrome);
  --sea: var(--system-blue);
  --sea-soft: var(--blue-soft);
  --sea-fill: var(--system-blue-fill);
  --on-sea: var(--on-accent);
  --clay: var(--system-orange);
  --navy: var(--system-blue);
  --amber: var(--system-orange);
  --teal: var(--system-teal);
  --display: var(--font-display);
  --sans: var(--font);
  --radius: var(--radius-lg);

  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
  /*
   * Page gutters: ALWAYS apply max(16px, env(safe-area-…)) at use-site.
   * Do NOT nest max(var(--page-inline), var(--safe-left)) into a custom
   * property then re-use it — if that substitution fails on a WebKit build,
   * padding becomes invalid-at-computed-value and collapses to 0 (edge clip).
   */
  --page-inline: 16px;
  --inset-left: max(16px, env(safe-area-inset-left, 0px));
  --inset-right: max(16px, env(safe-area-inset-right, 0px));
  --tab-bar-h: 0px;
  --ease-spring: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out: cubic-bezier(0.25, 0.1, 0.25, 1);
  color-scheme: light;
}

html[data-theme="dark"] {
  --label: rgba(255, 255, 255, 0.92);
  --secondary-label: rgba(235, 235, 245, 0.6);
  --tertiary-label: rgba(235, 235, 245, 0.3);
  --separator: rgba(84, 84, 88, 0.65);
  --opaque-separator: #38383A;

  --grouped-bg: #000000;
  --grouped-bg-elevated: #1C1C1E;
  --fill: rgba(120, 120, 128, 0.36);
  --fill-secondary: rgba(120, 120, 128, 0.32);
  --fill-tertiary: rgba(120, 120, 128, 0.24);

  --system-blue: #0A84FF;
  --system-blue-fill: #0A84FF;
  --system-green: #30D158;
  --system-orange: #FF9F0A;
  --system-red: #FF453A;
  --system-teal: #40CBE0;
  --system-indigo: #5E5CE6;
  --system-gray: #8E8E93;
  --system-yellow: #FFD60A;

  --blue-soft: rgba(10, 132, 255, 0.22);
  --green-soft: rgba(48, 209, 88, 0.22);
  --orange-soft: rgba(255, 159, 10, 0.22);

  --chrome: rgba(28, 28, 30, 0.72);
  --chrome-solid: #1C1C1E;
  --glass: rgba(44, 44, 46, 0.72);
  --glass-border: rgba(255, 255, 255, 0.12);
  --glass-highlight: inset 0 0.5px 0 rgba(255, 255, 255, 0.12);
  --shadow: 0 1px 0 rgba(255, 255, 255, 0.04), 0 10px 28px rgba(0, 0, 0, 0.45);

  --bar-track: rgba(120, 120, 128, 0.36);
  --tag-bg: rgba(120, 120, 128, 0.32);
  --heat-empty: #2C2C2E;
  --heat-1: #1A4A8A;
  --heat-2: #0A84FF;
  --heat-3: #64D2FF;
  --heat-4: #B0E0FF;

  color-scheme: dark;
}

*,
*::before,
*::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 7.5rem;
  scroll-padding-bottom: calc(var(--tab-bar-h) + 1rem);
  /* hidden before clip: older iOS ignores clip and then rubber-bands sideways */
  overflow-x: hidden;
  overflow-x: clip;
  overscroll-behavior-x: none;
  max-width: 100%;
  width: 100%;
}

/* Runtime class from guardHorizontalOverflow() — belt-and-suspenders on iOS */
html.edge-lock,
html.edge-lock body {
  overflow-x: hidden !important;
  max-width: 100% !important;
  overscroll-behavior-x: none !important;
}

body {
  margin: 0;
  min-height: 100vh;
  max-width: 100%;
  width: 100%;
  overflow-x: hidden;
  overflow-x: clip;
  overscroll-behavior-x: none;
  color: var(--label);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.35;
  letter-spacing: -0.01em;
  background:
    radial-gradient(120% 80% at 50% -20%, rgba(0, 122, 255, 0.08), transparent 55%),
    radial-gradient(90% 60% at 100% 10%, rgba(48, 176, 199, 0.07), transparent 50%),
    var(--grouped-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  padding-bottom: calc(var(--tab-bar-h) + var(--safe-bottom));
  /* Horizontal insets live on .wrap / fixed overlays — not body — so position:fixed
     chrome shares the same gutter tokens and cannot escape into the unsafe edge. */
  padding-left: 0;
  padding-right: 0;
  transition: background-color 240ms var(--ease-out), color 200ms var(--ease-out);
}

html[data-theme="dark"] body {
  background:
    radial-gradient(120% 80% at 50% -20%, rgba(10, 132, 255, 0.14), transparent 55%),
    radial-gradient(90% 60% at 100% 10%, rgba(64, 203, 224, 0.08), transparent 50%),
    var(--grouped-bg);
}

a { color: var(--system-blue); text-decoration: none; }
a:hover { text-decoration: underline; }
button, input, select { font: inherit; color: inherit; }

.wrap {
  position: relative;
  z-index: 1;
  width: min(980px, 100%);
  max-width: 100%;
  min-width: 0;
  margin: 0 auto;
  padding-left: 0;
  padding-right: 0;
  /*
   * Gutter via TRANSPARENT BORDER (not padding).
   * Overflowing flex kids paint into padding and still reach the screen edge;
   * overflow:hidden clips at the padding edge, so padding gutters do not protect.
   * Borders sit outside the clip edge — children cannot paint into them.
   */
  border-left: max(16px, env(safe-area-inset-left, 0px)) solid transparent;
  border-right: max(16px, env(safe-area-inset-right, 0px)) solid transparent;
  box-sizing: border-box;
  overflow-x: hidden;
  background-clip: padding-box;
}

/* ——— Chrome bar (Liquid Glass) ——— */
.chrome-bar {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--chrome);
  backdrop-filter: saturate(180%) blur(24px);
  -webkit-backdrop-filter: saturate(180%) blur(24px);
  border-bottom: 0.5px solid var(--separator);
  box-shadow: var(--glass-highlight);
  overflow-x: hidden;
  max-width: 100%;
}

.chrome-inner {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 52px;
  min-width: 0;
  max-width: 100%;
  padding-block: 8px;
  overflow: hidden;
}

.chrome-inner .brand {
  flex: 0 1 auto;
  min-width: 0;
}

.brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.0625rem;
  letter-spacing: -0.03em;
  color: var(--label);
  flex-shrink: 0;
}

.chrome-tabs {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: 4px;
  padding: 3px;
  border-radius: 999px;
  background: var(--fill-tertiary);
}

.chrome-tab {
  color: var(--secondary-label);
  text-decoration: none;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  padding: 6px 11px;
  border-radius: 999px;
  transition: color 160ms var(--ease-out), background 160ms var(--ease-out);
}

.chrome-tab:hover {
  color: var(--label);
  text-decoration: none;
  background: var(--fill-secondary);
}

.chrome-tab:focus-visible {
  outline: 2px solid var(--system-blue);
  outline-offset: 2px;
}

.chrome-tab.is-active {
  color: var(--label);
  background: var(--grouped-bg-elevated);
  box-shadow: 0 0.5px 1px rgba(0, 0, 0, 0.06);
}

html[data-theme="dark"] .chrome-tab.is-active {
  background: rgba(120, 120, 128, 0.42);
  box-shadow: none;
}

.chrome-tools {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
  flex: 0 1 auto;
  flex-shrink: 1;
  min-width: 0;
  max-width: 100%;
  overflow: hidden;
}

.refresh-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.refresh-icon {
  display: none;
  flex-shrink: 0;
}

/* Segmented control (UISegmentedControl) */
.segmented {
  display: inline-flex;
  padding: 2px;
  border-radius: 9px;
  background: var(--fill);
  gap: 0;
}

.segmented-btn,
.metric-toggle .metric-btn {
  border: 0;
  background: transparent;
  color: var(--label);
  padding: 5px 12px;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  border-radius: 7px;
  cursor: pointer;
  transition: background 160ms var(--ease-out), color 160ms var(--ease-out),
    box-shadow 160ms var(--ease-out), transform 160ms var(--ease-spring);
}

.segmented-btn[aria-pressed="true"],
.metric-toggle .metric-btn[aria-pressed="true"] {
  background: var(--grouped-bg-elevated);
  color: var(--label);
  box-shadow: 0 0.5px 1px rgba(0, 0, 0, 0.08), 0 1px 3px rgba(0, 0, 0, 0.06);
}

html[data-theme="dark"] .segmented-btn[aria-pressed="true"],
html[data-theme="dark"] .metric-toggle .metric-btn[aria-pressed="true"] {
  background: rgba(120, 120, 128, 0.48);
  box-shadow: 0 0.5px 0 rgba(255, 255, 255, 0.08);
}

.metric-toggle {
  display: inline-flex;
  padding: 2px;
  border-radius: 9px;
  background: var(--fill);
}

.metric-toggle .metric-btn + .metric-btn { border-left: 0; }

.glass-btn,
.tool-btn {
  border: 0;
  background: var(--fill);
  color: var(--system-blue);
  border-radius: var(--radius-control);
  padding: 7px 12px;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  cursor: pointer;
  white-space: nowrap;
  transition: background 160ms var(--ease-out), transform 160ms var(--ease-spring);
}

.glass-btn:hover,
.tool-btn:hover {
  background: var(--fill-secondary);
}

.glass-btn:active,
.tool-btn:active {
  transform: scale(0.97);
}

.glass-btn:disabled,
.tool-btn:disabled {
  opacity: 0.45;
  cursor: wait;
}

.theme-match-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px 16px;
  margin-bottom: 10px;
}

.theme-match-head h3 { margin: 0 0 4px; }
.theme-match-head .panel-note { margin: 0; }
.theme-match-toggle { flex-shrink: 0; }

/* ——— Sticky filter (glass surface) ——— */
.period-dock {
  position: sticky;
  top: 52px;
  z-index: 35;
  padding: 8px 0 6px;
  max-width: 100%;
  overflow-x: hidden;
  background: linear-gradient(
    180deg,
    var(--chrome) 0%,
    color-mix(in srgb, var(--chrome) 70%, transparent) 70%,
    transparent 100%
  );
  backdrop-filter: saturate(160%) blur(16px);
  -webkit-backdrop-filter: saturate(160%) blur(16px);
}

.glass-surface,
.period-bar {
  margin: 0 auto;
  padding-block: 10px;
  padding-inline: 12px;
  border-radius: var(--radius-lg);
  background: var(--glass);
  box-shadow: var(--shadow), var(--glass-highlight);
  backdrop-filter: saturate(180%) blur(28px);
  -webkit-backdrop-filter: saturate(180%) blur(28px);
  display: grid;
  gap: 8px;
}

/*
 * .period-bar also has .wrap: the .period-bar { border: 0.5px solid } shorthand
 * would wipe wrap gutters — re-assert transparent border gutters here.
 */
.wrap.period-bar,
.period-bar.wrap {
  padding-inline: 0;
  border-left: max(16px, env(safe-area-inset-left, 0px)) solid transparent;
  border-right: max(16px, env(safe-area-inset-right, 0px)) solid transparent;
  border-top: 0;
  border-bottom: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

/* Non-wrap glass cards keep the hairline; wrap chrome uses transparent gutters only */
.glass-surface:not(.wrap) {
  border: 0.5px solid var(--glass-border);
}

.period-toolbar {
  display: flex;
  align-items: end;
  gap: 8px;
}

.period-toolbar .period-hero-show {
  flex: 1;
  min-width: 0;
}

.period-toolbar .period-hero-show select,
.period-toolbar .period-hero-show .combo-input {
  width: 100%;
  max-width: 100%;
  min-width: 0;
}

.period-field-search {
  min-width: 12rem;
  flex: 1 1 14rem;
}

.period-field-search input {
  width: 100%;
  max-width: none;
  min-width: 0;
}

/* Typeahead combobox for long filter lists */
.combo {
  position: relative;
  min-width: 0;
}

.combo-native {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
  min-width: 0 !important;
  max-width: none !important;
}

.combo-input {
  width: 100%;
  max-width: 100% !important;
  min-width: 0 !important;
  box-sizing: border-box;
  overflow: hidden;
  text-overflow: ellipsis;
}

.combo-list {
  position: absolute;
  left: 0;
  right: 0;
  top: calc(100% + 4px);
  z-index: 80;
  margin: 0;
  padding: 6px;
  list-style: none;
  max-height: min(280px, 50vh);
  overflow: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius-md);
  background: var(--grouped-bg-elevated);
  border: 0.5px solid var(--separator);
  box-shadow: var(--shadow);
  box-sizing: border-box;
}

/*
 * Desktop: list is portaled to <body> so sticky filter overflow-x:hidden
 * (period-dock / period-bar / period-controls) cannot clip the options.
 */
.combo-list.is-ported,
body > .combo-list {
  position: fixed;
  z-index: 240;
  margin: 0;
}

.combo-list[hidden] { display: none !important; }

.combo-option {
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: -0.015em;
  color: var(--label);
  cursor: pointer;
}

.combo-option:hover,
.combo-option.is-active {
  background: var(--blue-soft);
  color: var(--system-blue);
}

.combo-option.is-selected {
  font-weight: 650;
}

.combo-empty {
  padding: 12px;
  color: var(--secondary-label);
  font-size: 0.875rem;
  text-align: center;
}

.filter-sheet-body .combo-list {
  z-index: 95;
}

/* Mobile: full visual-viewport picker so lists stay above the keyboard */
.combo-picker-host {
  display: none;
}

.combo-picker-host:not([hidden]) {
  display: flex;
  position: fixed;
  /* Pin to the visual viewport so zoom / sideways overscroll cannot clip Cancel/Done */
  top: var(--vv-top, 0px);
  left: var(--vv-left, 0px);
  width: var(--vv-width, 100%);
  height: var(--vv-height, 100dvh);
  z-index: 220;
  padding: 0;
  box-sizing: border-box;
  background: rgba(0, 0, 0, 0.28);
  align-items: stretch;
  justify-content: stretch;
  overflow: hidden;
}

.combo-picker {
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 100%;
  height: 100%;
  max-height: 100%;
  min-width: 0;
  min-height: 0;
  background: var(--grouped-bg);
  border-radius: 14px 14px 0 0;
  overflow: hidden;
  box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.18);
}

.combo-picker-chrome {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  flex-shrink: 0;
  min-height: 48px;
  padding: 6px max(16px, env(safe-area-inset-right, 0px)) 6px max(16px, env(safe-area-inset-left, 0px));
  border-bottom: 0.5px solid var(--separator);
  background: var(--grouped-bg-elevated);
}

.combo-picker-title {
  margin: 0;
  text-align: center;
  font-size: 1.0625rem;
  font-weight: 650;
  letter-spacing: -0.02em;
  color: var(--label);
}

.combo-picker-chrome .sheet-text-btn {
  justify-self: start;
}

.combo-picker-chrome .sheet-done {
  justify-self: end;
}

.combo-picker-search {
  flex-shrink: 0;
  padding: 10px max(16px, env(safe-area-inset-right, 0px)) 8px max(16px, env(safe-area-inset-left, 0px));
  background: var(--grouped-bg);
}

.combo-picker-input,
input.combo-picker-input[type="search"] {
  width: 100%;
  box-sizing: border-box;
  min-height: 40px;
  padding: 10px 12px;
  border: 0;
  border-radius: 10px;
  background: var(--fill);
  color: var(--label);
  font: inherit;
  font-size: 16px;
  letter-spacing: -0.02em;
}

.combo-picker-input:focus {
  outline: none;
  box-shadow: 0 0 0 3px var(--blue-soft);
}

.combo-picker-list {
  flex: 1;
  min-height: 0;
  min-width: 0;
  margin: 0;
  padding: 4px max(16px, env(safe-area-inset-right, 0px)) calc(12px + env(safe-area-inset-bottom, 0px)) max(16px, env(safe-area-inset-left, 0px));
  list-style: none;
  overflow: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  background: var(--grouped-bg);
}

.combo-picker-list .combo-option {
  padding: 14px 12px;
  font-size: 1.0625rem;
  border-radius: 10px;
}

.combo-picker-list .combo-option.is-selected {
  color: var(--system-blue);
}

.combo-picker-list .combo-empty {
  padding: 24px 12px;
}

body.combo-picker-open {
  overflow: hidden;
}

@media (min-width: 861px) {
  .combo-picker-host {
    display: none !important;
  }
}

.filter-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
  border: 0;
  background: var(--fill);
  color: var(--system-blue);
  border-radius: var(--radius-control);
  padding: 9px 12px;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  cursor: pointer;
  min-height: 40px;
  transition: background 160ms var(--ease-out), transform 160ms var(--ease-spring);
}

.filter-toggle:hover { background: var(--fill-secondary); }
.filter-toggle:active { transform: scale(0.97); }

.filter-toggle[aria-expanded="true"],
.filter-toggle.has-filters {
  background: var(--blue-soft);
}

.filter-toggle-icon { display: block; flex-shrink: 0; }

.filter-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.25rem;
  height: 1.25rem;
  padding: 0 5px;
  border-radius: 999px;
  background: var(--system-blue-fill);
  color: var(--on-accent);
  font-size: 0.6875rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.filter-badge[hidden] { display: none !important; }

.period-clear-inline {
  flex-shrink: 0;
  align-self: end;
  min-height: 40px;
  padding: 9px 14px;
}

.filter-sheet,
.filter-sheet-backdrop {
  display: none;
}

.period-secondary {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}

.filter-panel {
  display: grid;
  gap: 8px;
  min-width: 0;
}

.period-filter-line {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  min-width: 0;
}

.period-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  gap: 8px 10px;
}

/* Desktop: second filter line is a single non-wrapping row; overflow is measured in JS. */
@media (min-width: 861px) {
  .period-secondary {
    display: flex;
    flex-direction: column;
    gap: 8px;
  }

  .period-secondary > .filter-toggle {
    /* Parked here only while the sheet is open; normally lives in .period-filter-line */
    display: none;
  }

  body.filter-sheet-open .period-secondary > .filter-toggle {
    display: none;
  }

  .period-filter-line {
    display: flex;
    align-items: flex-end;
    gap: 10px;
    min-width: 0;
    width: 100%;
  }

  .period-filter-line > .filter-toggle {
    display: inline-flex;
    flex-shrink: 0;
    align-self: flex-end;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
    gap: 6px;
    min-height: 0;
    height: auto;
    margin: 0;
    padding: 9px 12px;
    font-size: 0.9375rem;
    font-weight: 500;
    letter-spacing: -0.01em;
    line-height: normal;
    border-radius: var(--radius-sm);
    background: var(--fill-tertiary);
    color: var(--system-blue);
  }

  .period-filter-line > .filter-toggle:hover {
    background: var(--fill-secondary);
  }

  .period-filter-line > .filter-toggle[aria-expanded="true"],
  .period-filter-line > .filter-toggle.has-filters {
    background: var(--blue-soft);
  }

  .period-filter-line > .filter-toggle .filter-toggle-icon {
    width: 16px;
    height: 16px;
  }

  .period-controls {
    flex: 1 1 auto;
    flex-wrap: nowrap;
    overflow: hidden;
    min-width: 0;
    gap: 10px;
  }

  .period-controls > .period-field {
    flex: 0 1 auto;
    min-width: 6.5rem;
    max-width: 14rem;
    overflow: hidden;
  }

  .period-controls > .period-field-search {
    flex: 1 1 9rem;
    min-width: 8rem;
    max-width: none;
  }

  .period-controls > .period-field-country,
  .period-controls > .period-field-theme {
    min-width: 7.5rem;
    max-width: 12rem;
  }

  /* Prevent native/combo controls from painting over neighbors. */
  .period-controls .period-field select,
  .period-controls .period-field .combo,
  .period-controls .period-field .combo-input,
  .period-controls .period-field-search input {
    width: 100%;
    min-width: 0 !important;
    max-width: none !important;
    box-sizing: border-box;
  }

  /* Natural widths while measuring — avoid flex-shrink making everything "fit". */
  .period-controls.is-measuring > .period-field {
    display: grid !important;
    flex: 0 0 auto !important;
    width: max-content;
    max-width: none !important;
    min-width: max-content !important;
  }

  .period-field.is-overflow-hidden {
    display: none !important;
  }

  .period-filter-line > .filter-toggle {
    min-height: 38px;
  }

  /*
   * Desktop “more filters”: expand overflow facets in the same glass bar —
   * same field chrome as the visible row. No bottom sheet / foreign modal.
   */
  body.filters-expanded .period-filter-line {
    align-items: flex-start;
  }

  body.filters-expanded .period-controls {
    flex-wrap: wrap;
    overflow: visible;
    row-gap: 10px;
  }

  body.filters-expanded .period-field.is-overflow-hidden {
    display: grid !important;
  }

  body.filters-expanded .period-filter-line > .filter-toggle {
    /* Keep the button on the first control row while facets wrap underneath. */
    align-self: flex-start;
    margin-top: calc(0.6875rem * 1.2 + 4px);
    background: var(--blue-soft);
  }

  /* Desktop never uses the mobile bottom sheet. */
  .filter-sheet,
  .filter-sheet-backdrop {
    display: none !important;
  }
}

.period-field {
  display: grid;
  gap: 4px;
  min-width: 7.25rem;
}

.period-field-country { min-width: 9.5rem; }
.period-field-podcast { min-width: 11rem; }
.period-field-theme { min-width: 10rem; }

.period-field span,
.period-search-label {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--secondary-label);
}

.period-field select,
.period-search input,
input[type="search"],
select {
  appearance: none;
  -webkit-appearance: none;
  border: 0;
  background: var(--fill-tertiary);
  border-radius: var(--radius-sm);
  padding: 9px 12px;
  color: var(--label);
  font: inherit;
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  min-width: 8.5rem;
  max-width: 16rem;
  transition: background 160ms var(--ease-out), box-shadow 160ms var(--ease-out);
}

/* iOS Safari zooms the visual viewport when focused text is <16px; that zoom
   often sticks after typing in the Shows/Theme picker and clips L/R chrome. */
.period-search input,
input[type="search"],
input.combo-input,
input.combo-picker-input {
  font-size: 16px;
}

.period-field select:focus,
.period-search input:focus,
input[type="search"]:focus,
select:focus {
  outline: none;
  box-shadow: 0 0 0 3px var(--blue-soft);
  background: var(--grouped-bg-elevated);
}

.period-field-country select { min-width: 10.5rem; }
.period-field-podcast select,
.period-field-theme select {
  min-width: 11rem;
  max-width: 18rem;
}

.period-field select:disabled { opacity: 0.4; }

.period-search { display: grid; gap: 4px; }
.period-search input { width: 100%; max-width: none; min-width: 0; }

.period-summary {
  margin: 0;
  color: var(--secondary-label);
  font-size: 0.8125rem;
  line-height: 1.35;
}

.period-summary strong {
  color: var(--label);
  font-weight: 650;
}

/* ——— Large title / hero (content layer) ——— */
.content-layer { position: relative; z-index: 1; }

.hero {
  padding: 20px 0 8px;
  animation: rise 640ms var(--ease-spring) both;
}

.hero-eyebrow {
  margin: 0 0 4px;
  color: var(--secondary-label);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.large-title,
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.125rem, 5.5vw, 2.75rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.045em;
  margin: 0 0 8px;
  color: var(--label);
  max-width: 16ch;
}

.hero-lead {
  margin: 0;
  color: var(--secondary-label);
  font-size: 1.0625rem;
  font-weight: 400;
  letter-spacing: -0.02em;
  max-width: 40ch;
  line-height: 1.4;
}

.hero-meta {
  margin-top: 8px;
  color: var(--tertiary-label);
  font-size: 0.8125rem;
}

/* Summary figures — no card chrome; Apple Fitness / Screen Time style */
.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin: 22px 0 0;
  border-radius: var(--radius-lg);
  background: var(--grouped-bg-elevated);
  overflow: hidden;
  box-shadow: var(--shadow);
  animation: rise 720ms var(--ease-spring) both;
  animation-delay: 60ms;
}

.stat {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  min-height: 0;
  padding: 14px 16px 12px;
  border-right: 0.5px solid var(--separator);
  background: transparent;
}

.stat:nth-child(3n) { border-right: 0; }
.stat:nth-child(n + 4) {
  border-top: 0.5px solid var(--separator);
}

.stat b {
  display: block;
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}

.stat b.stat-value-compact {
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.stat span {
  display: block;
  margin-top: 2px;
  color: var(--secondary-label);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}

/* Kept for compatibility; hero insights now live inside #heroStats. */
.insights-strip {
  display: none;
  margin: 0;
}

.insight {
  padding: 14px 16px;
  border-right: 0.5px solid var(--separator);
  border-bottom: 0.5px solid var(--separator);
  background: transparent;
}

.insight:last-child { border-right: 0; }

.insight b {
  display: block;
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 650;
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}

.insight span {
  color: var(--secondary-label);
  font-size: 0.8125rem;
  line-height: 1.35;
}

.boot {
  color: var(--secondary-label);
  font-size: 0.875rem;
  min-height: 1.2em;
  margin: 12px 0 0;
}

/* ——— Sections ——— */
section {
  padding: 28px 0 4px;
  animation: rise 680ms var(--ease-spring) both;
}

section.ready-delay { animation-delay: 100ms; }

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 12px;
  margin-bottom: 12px;
  padding: 0 2px;
}

.section-head h2 {
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin: 0;
}

.section-head p {
  margin: 4px 0 0;
  color: var(--secondary-label);
  font-size: 0.9375rem;
  letter-spacing: -0.015em;
  line-height: 1.35;
}

.stack-gap { margin-top: 12px; }

/* Inset grouped panels (content containers) */
.panel {
  background: var(--grouped-bg-elevated);
  border: 0;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 16px;
  max-width: 100%;
  min-width: 0;
  overflow: hidden;
}

.panel-flush { padding: 12px 0 16px; }
.panel-flush .insights { padding: 0 16px; }
.panel-flush .pager { padding: 0 16px; }

.panel h3 {
  margin: 0 0 10px;
  font-size: 0.8125rem;
  font-weight: 650;
  letter-spacing: -0.01em;
  color: var(--secondary-label);
  text-transform: none;
}

.panel-note {
  margin: -4px 0 12px;
  color: var(--secondary-label);
  font-size: 0.8125rem;
  line-height: 1.4;
}

.chart-box {
  position: relative;
  height: 280px;
  max-width: 100%;
  min-width: 0;
  overflow: hidden;
}
.chart-box.tall { height: 360px; }
.chart-box.short { height: 240px; }
.chart-box.mid { height: 280px; }
.chart-box.expandable {
  transition: height 220ms var(--ease-spring);
}

.grid-2 {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 12px;
}

.grid-2.equal { grid-template-columns: 1fr 1fr; }

.table-scroll {
  max-height: 360px;
  overflow: auto;
  border-radius: var(--radius-sm);
  -webkit-overflow-scrolling: touch;
}

/* Table — plain list rows */
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

th, td {
  text-align: left;
  padding: 11px 8px;
  border-bottom: 0.5px solid var(--separator);
  vertical-align: middle;
}

th {
  color: var(--secondary-label);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  text-transform: none;
}

tr:last-child td { border-bottom: 0; }

.bar {
  width: 100%;
  height: 6px;
  background: var(--bar-track);
  border-radius: 3px;
  overflow: hidden;
}

.bar span {
  display: block;
  height: 100%;
  border-radius: 3px;
  background: var(--system-blue);
}

.linkish {
  border: 0;
  background: none;
  color: var(--system-blue);
  font-weight: 500;
  padding: 0;
  cursor: pointer;
  text-align: left;
  letter-spacing: -0.015em;
}

.linkish:hover { text-decoration: underline; }

/* Theme chart — iOS-style hierarchical nav */
.theme-chart-head {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  margin-bottom: 8px;
  min-width: 0;
}

.theme-chart-head h3 {
  margin: 0;
  max-width: 100%;
  line-height: 1.25;
}

.theme-nav-back {
  display: inline-flex;
  align-items: center;
  gap: 1px;
  margin: 0 0 2px -4px;
  padding: 2px 6px 2px 2px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--system-blue);
  font-family: inherit;
  font-size: 1.0625rem;
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.2;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: opacity 160ms var(--ease-out), transform 160ms var(--ease-spring);
}

.theme-nav-back[hidden] {
  display: none !important;
}

.theme-nav-back:hover {
  opacity: 0.85;
}

.theme-nav-back:active {
  opacity: 0.55;
  transform: scale(0.98);
}

.theme-nav-chevron {
  display: inline-block;
  font-size: 1.55rem;
  font-weight: 300;
  line-height: 1;
  margin-top: -0.06em;
  margin-right: 1px;
}

.chart-more {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 12px;
  min-height: 1.2em;
}

.chart-more .btn {
  padding: 7px 14px;
  font-size: 0.8125rem;
}

.theme-samples {
  display: grid;
  gap: 0;
  margin-bottom: 12px;
  max-height: 360px;
  overflow: auto;
  border-radius: var(--radius-md);
  background: var(--fill-tertiary);
}

.theme-sample {
  border: 0;
  border-bottom: 0.5px solid var(--separator);
  border-radius: 0;
  background: transparent;
  padding: 12px 14px;
}

.theme-sample:last-child { border-bottom: 0; }

.theme-sample strong {
  display: block;
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.3;
  margin-bottom: 3px;
}

.theme-sample span {
  color: var(--secondary-label);
  font-size: 0.75rem;
}

/* Buttons */
.btn {
  border: 0;
  background: var(--system-blue-fill);
  color: var(--on-accent);
  border-radius: var(--radius-control);
  padding: 10px 16px;
  font-weight: 600;
  font-size: 0.9375rem;
  letter-spacing: -0.015em;
  cursor: pointer;
  transition: opacity 160ms var(--ease-out), transform 160ms var(--ease-spring);
}

.btn:hover { opacity: 0.92; }
.btn:active { transform: scale(0.98); }

.btn.secondary {
  background: var(--fill);
  color: var(--system-blue);
}

.btn.secondary:hover {
  background: var(--fill-secondary);
  opacity: 1;
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
}

.insights {
  color: var(--secondary-label);
  font-size: 0.8125rem;
  margin: 0 0 8px;
  min-height: 1.2em;
}

/* Inset grouped episode list */
.list { display: grid; gap: 8px; }

.inset-list {
  gap: 0;
  margin: 0 12px;
  border-radius: var(--radius-lg);
  background: var(--grouped-bg-elevated);
  overflow: hidden;
  box-shadow: none;
}

.panel .inset-list {
  margin: 0;
  background: var(--fill-tertiary);
}

.ep {
  border: 0;
  border-bottom: 0.5px solid var(--separator);
  border-radius: 0;
  background: transparent;
  padding: 14px 16px;
  transition: background 140ms var(--ease-out);
}

.ep:last-child { border-bottom: 0; }
.ep:active { background: var(--fill-tertiary); }

.ep-show {
  color: var(--system-blue);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  text-transform: none;
}

.ep h3 {
  margin: 3px 0 6px;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.3;
  color: var(--label);
}

.ep-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 8px;
  color: var(--secondary-label);
  font-size: 0.8125rem;
}

.ep-note {
  margin-top: 8px;
  color: var(--secondary-label);
  font-size: 0.8125rem;
  line-height: 1.4;
  white-space: pre-wrap;
}

.ep-themes {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.ep-themes .tag { cursor: pointer; border: 0; font: inherit; }

.ep-meta .tag[data-country-jump] {
  cursor: pointer;
  border: 0;
  font: inherit;
  color: inherit;
}

.tag {
  display: inline-flex;
  align-items: center;
  background: var(--tag-bg);
  color: var(--secondary-label);
  border-radius: 6px;
  padding: 2px 8px;
  font-size: 0.75rem;
  font-weight: 550;
  letter-spacing: -0.01em;
}

.tag.ok {
  background: var(--green-soft);
  color: #248A3D;
}

.tag.warn {
  background: var(--orange-soft);
  color: #C93400;
}

html[data-theme="dark"] .tag.ok {
  background: var(--green-soft);
  color: #30D158;
}

html[data-theme="dark"] .tag.warn {
  background: var(--orange-soft);
  color: #FF9F0A;
}

.empty {
  padding: 28px 16px;
  text-align: center;
  color: var(--secondary-label);
  font-size: 0.9375rem;
}

.pager {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
}

.pager .info {
  color: var(--secondary-label);
  font-size: 0.8125rem;
  font-variant-numeric: tabular-nums;
}

/* Heatmap — scroll inside the panel; never widen the page */
.heatmap {
  display: grid;
  grid-auto-flow: column;
  grid-template-rows: repeat(7, 11px);
  grid-auto-columns: 11px;
  gap: 3px;
  max-width: 100%;
  width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  overscroll-behavior-x: contain;
  -webkit-overflow-scrolling: touch;
  padding-bottom: 6px;
  touch-action: pan-x;
}

.heat-cell {
  width: 11px;
  height: 11px;
  border-radius: 2px;
  background: var(--heat-empty);
  transition: transform 140ms var(--ease-spring);
}

.heat-cell:hover { transform: scale(1.25); }

.heat-cell[data-level="1"] { background: var(--heat-1); }
.heat-cell[data-level="2"] { background: var(--heat-2); }
.heat-cell[data-level="3"] { background: var(--heat-3); }
.heat-cell[data-level="4"] { background: var(--heat-4); }

.heat-legend {
  display: flex;
  align-items: center;
  gap: 5px;
  margin-top: 12px;
  color: var(--secondary-label);
  font-size: 0.75rem;
}

.heat-legend i {
  display: inline-block;
  width: 11px;
  height: 11px;
  border-radius: 2px;
  background: var(--heat-empty);
}

.heat-legend i:nth-child(2) { background: var(--heat-1); }
.heat-legend i:nth-child(3) { background: var(--heat-2); }
.heat-legend i:nth-child(4) { background: var(--heat-3); }
.heat-legend i:nth-child(5) { background: var(--heat-4); }

.site-footer,
footer {
  padding: 28px 0 calc(36px + var(--safe-bottom));
  color: var(--secondary-label);
  font-size: 0.8125rem;
  line-height: 1.5;
}

.build-stamp {
  margin-top: 8px;
  font-size: 0.6875rem;
  letter-spacing: 0.02em;
  color: var(--tertiary-label);
  font-variant-numeric: tabular-nums;
}

/* ——— Mobile tab bar ——— */
.tab-bar {
  display: none;
  position: fixed;
  /* left+right only — never also width/max-width:100% (over-constrains and clips) */
  left: max(16px, env(safe-area-inset-left, 0px));
  right: max(16px, env(safe-area-inset-right, 0px));
  bottom: max(8px, env(safe-area-inset-bottom, 0px));
  z-index: 50;
  height: 58px;
  width: auto;
  max-width: none;
  box-sizing: border-box;
  padding: 4px 4px;
  border-radius: 22px;
  background: var(--glass);
  border: 0.5px solid var(--glass-border);
  box-shadow: var(--shadow), var(--glass-highlight);
  backdrop-filter: saturate(180%) blur(28px);
  -webkit-backdrop-filter: saturate(180%) blur(28px);
  align-items: stretch;
  justify-content: space-around;
  gap: 0;
  overflow: hidden;
}

.tab-item {
  flex: 1 1 0;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  color: var(--secondary-label);
  text-decoration: none;
  font-size: 0.625rem;
  font-weight: 550;
  letter-spacing: -0.01em;
  border-radius: 16px;
  overflow: hidden;
  transition: color 160ms var(--ease-out), background 160ms var(--ease-out),
    transform 160ms var(--ease-spring);
}

.tab-item:hover,
.tab-item:focus-visible {
  color: var(--system-blue);
  text-decoration: none;
  background: var(--blue-soft);
}

.tab-item.is-active {
  color: var(--system-blue);
}

.tab-item:active { transform: scale(0.96); }

.tab-icon {
  display: flex;
  color: inherit;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

body:not(.ready) .charts-block,
body:not(.ready) #explorePanel,
body:not(.ready) #themes,
body:not(.ready) #shows {
  opacity: 0.4;
}

/* Filter changes: keep controls snappy; charts catch up in the background. */
body.is-filtering .charts-block,
body.is-filtering #themes,
body.is-filtering #shows,
body.is-filtering #explorePanel .ep-list {
  opacity: 0.72;
  transition: opacity 120ms var(--ease-out);
  pointer-events: none;
}
body.is-filtering #periodSummary {
  opacity: 0.85;
}

@media (prefers-reduced-transparency: reduce) {
  .chrome-bar,
  .period-dock,
  .glass-surface,
  .period-bar,
  .tab-bar,
  .filter-sheet-backdrop {
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    background: var(--chrome-solid);
  }

  .glass-surface,
  .period-bar,
  .tab-bar,
  body.filter-sheet-open .filter-sheet {
    background: var(--grouped-bg-elevated);
  }

  .filter-sheet-backdrop {
    background: rgba(0, 0, 0, 0.45);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html { scroll-behavior: auto; }
}

@media (max-width: 860px) {
  /* Floating tab (58) + bottom gap (8) + breathing room above charts */
  :root { --tab-bar-h: 88px; }

  .wrap {
    width: min(980px, 100%);
    /* keep --inset-left/right padding — do not zero it on mobile */
  }

  .chrome-tabs { display: none; }
  .chrome-tools { margin-left: auto; }
  .tab-bar { display: flex; }

  /* Tab panels: only the active bottom-nav section is on screen */
  body.tab-mode main.charts-block > .tab-panel:not(.is-tab-active) {
    display: none !important;
  }

  body.tab-mode:not([data-active-tab="trends"]) .hero {
    display: none;
  }

  body.tab-mode main.charts-block > .tab-panel.is-tab-active {
    display: block;
    padding-top: 12px;
    padding-bottom: 12px;
    animation: tab-fade 220ms var(--ease-out) both;
  }

  body.tab-mode .site-footer {
    padding-bottom: calc(28px + var(--tab-bar-h) + var(--safe-bottom));
  }

  /* Compact sticky filter: search + Filters only (Apple Music / Photos pattern) */
  .period-dock {
    padding: 0;
    top: 52px;
    background: var(--chrome);
    border-bottom: 0.5px solid var(--separator);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
  }

  .period-bar {
    padding-block: 8px;
    gap: 0;
    max-width: 100%;
    min-width: 0;
    overflow: hidden;
  }

  .period-toolbar {
    align-items: stretch;
    flex: 1 1 0;
    width: 100%;
    min-width: 0;
    max-width: 100%;
    overflow: hidden;
  }

  /* Promote Show + Filters onto one row; keep the facet panel for the sheet only. */
  .period-bar {
    display: flex;
    flex-wrap: nowrap;
    align-items: stretch;
    gap: 8px;
  }

  /*
   * iOS Safari: search inputs ignore min-width:0 for flex min-content sizing, so a
   * long show title expands the row and clips Filters / chrome tools. Force shrink.
   */
  .period-toolbar .period-hero-show {
    flex: 1 1 0;
    width: 0;
    min-width: 0;
    max-width: 100%;
    overflow: hidden;
  }

  .period-toolbar .period-hero-show .combo,
  .period-toolbar .period-hero-show .combo-input,
  .period-toolbar .period-hero-show select {
    width: 100%;
    max-width: 100% !important;
    min-width: 0 !important;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .period-secondary {
    display: contents;
  }

  .period-secondary > .filter-panel {
    display: contents;
  }

  .period-filter-line {
    display: contents;
  }

  .period-controls,
  .period-summary {
    display: none;
  }

  .period-filter-line > .filter-toggle,
  .period-toolbar .filter-toggle,
  .period-secondary > .filter-toggle {
    display: inline-flex;
    align-self: stretch;
    flex-shrink: 0;
  }

  .period-search-label,
  .period-clear-inline {
    display: none;
  }

  .period-hero-show {
    gap: 0;
  }

  .period-field-podcast {
    min-width: 0;
  }

  .period-hero-show .combo-input,
  .period-hero-show select {
    min-height: 36px;
    border-radius: 10px;
    font-size: 16px;
    padding: 8px 12px;
  }

  .filter-toggle {
    display: inline-flex;
    min-height: 36px;
    padding: 8px 10px;
  }

  .filter-sheet-backdrop:not([hidden]) {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 80;
    background: rgba(0, 0, 0, 0.32);
    opacity: 1;
    pointer-events: auto;
    transition: opacity 220ms var(--ease-out);
  }

  body.filter-sheet-open {
    overflow: hidden;
  }

  .filter-sheet:not([hidden]) {
    display: flex;
    flex-direction: column;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 90;
    /* width from left/right only — avoid width:100% + left/right over-constraint */
    width: auto;
    max-width: none;
    box-sizing: border-box;
    max-height: min(78dvh, 640px);
    padding: 0 max(16px, env(safe-area-inset-right, 0px)) max(14px, env(safe-area-inset-bottom, 0px)) max(16px, env(safe-area-inset-left, 0px));
    border-radius: 14px 14px 0 0;
    background: var(--grouped-bg);
    border: 0.5px solid var(--separator);
    border-bottom: 0;
    box-shadow: 0 -12px 40px rgba(0, 0, 0, 0.2);
    animation: sheet-up 320ms var(--ease-spring) both;
    overflow: hidden;
  }

  .filter-sheet-chrome {
    display: block;
    flex-shrink: 0;
    /* horizontal inset comes from the sheet; keep vertical chrome padding only */
    padding: 8px 0 4px;
    border-bottom: 0.5px solid var(--separator);
    background: var(--grouped-bg);
  }

  .filter-sheet-grabber {
    width: 36px;
    height: 5px;
    margin: 0 auto 8px;
    border-radius: 999px;
    background: var(--fill);
  }

  .filter-sheet-header {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    min-height: 36px;
    margin-bottom: 4px;
  }

  .filter-sheet-header h2 {
    margin: 0;
    text-align: center;
    font-size: 1.0625rem;
    font-weight: 650;
    letter-spacing: -0.02em;
    color: var(--label);
  }

  .sheet-text-btn {
    border: 0;
    background: none;
    color: var(--system-blue);
    font: inherit;
    font-size: 1.0625rem;
    font-weight: 400;
    letter-spacing: -0.02em;
    cursor: pointer;
    padding: 6px 0;
    justify-self: start;
  }

  .sheet-text-btn.sheet-done {
    font-weight: 650;
    justify-self: end;
  }

  .filter-sheet-body {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
    overflow: hidden;
  }

  .filter-sheet-body .filter-panel {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
    overflow: hidden;
  }

  /* Inset grouped list — Apple Settings / filter sheet pattern.
     Horizontal page inset already applied on .filter-sheet. */
  .filter-sheet-body .period-controls {
    display: flex;
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0;
    align-content: start;
    align-items: stretch;
    margin: 12px 0;
    padding: 0;
    overflow: auto;
    -webkit-overflow-scrolling: touch;
    flex: 1;
    border-radius: var(--radius-lg);
    background: var(--grouped-bg-elevated);
  }

  .filter-sheet-body .period-field,
  .filter-sheet-body .period-field-country,
  .filter-sheet-body .period-field-podcast,
  .filter-sheet-body .period-field-theme,
  .filter-sheet-body .period-field-search {
    min-width: 0;
    display: grid;
    grid-template-columns: 6.5rem minmax(0, 1fr);
    align-items: center;
    gap: 8px;
    margin: 0;
    padding: 4px 14px;
    min-height: 44px;
    border-bottom: 0.5px solid var(--separator);
  }

  .filter-sheet-body .period-field:last-of-type {
    border-bottom: 0;
  }

  .filter-sheet-body .period-field span {
    margin: 0;
    font-size: 1rem;
    font-weight: 400;
    color: var(--label);
    letter-spacing: -0.02em;
  }

  .filter-sheet-body .period-field select,
  .filter-sheet-body .period-field-podcast select,
  .filter-sheet-body .period-field-theme select,
  .filter-sheet-body .period-field-search input,
  .filter-sheet-body .combo-input {
    max-width: none;
    width: 100%;
    min-width: 0;
    min-height: 36px;
    text-align: right;
    background: transparent;
    border-radius: 0;
    padding: 8px 0;
    font-weight: 400;
    color: var(--secondary-label);
  }

  .filter-sheet-body .period-field-search input,
  .filter-sheet-body .combo-input,
  .filter-sheet-body input[type="search"] {
    font-size: 16px;
  }

  .filter-sheet-body .period-field select:focus,
  .filter-sheet-body .period-field-search input:focus,
  .filter-sheet-body .combo-input:focus {
    box-shadow: none;
    background: transparent;
    color: var(--system-blue);
  }

  .filter-sheet-body .combo-list {
    text-align: left;
  }

  .filter-sheet-body .period-summary {
    flex-shrink: 0;
    margin: 0;
    padding: 8px 20px 4px;
    border-top: 0;
    font-size: 0.8125rem;
    line-height: 1.35;
    color: var(--secondary-label);
  }

  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stat:nth-child(3n) { border-right: 0.5px solid var(--separator); }
  .stat:nth-child(2n) { border-right: 0; }
  .stat:nth-child(n + 3) { border-top: 0.5px solid var(--separator); }

  .insights-strip { grid-template-columns: 1fr; }
  .insight {
    border-right: 0;
    border-bottom: 0.5px solid var(--separator);
  }
  .insight:last-child { border-bottom: 0; }

  .grid-2,
  .grid-2.equal { grid-template-columns: 1fr; }

  /* Expandable h-bars set height inline from row count — do not clamp them. */
  .chart-box:not(.expandable),
  .chart-box.tall:not(.expandable),
  .chart-box.mid:not(.expandable) { height: 260px; }
  .chart-box.short:not(.expandable) { height: 200px; }

  /* Content-first: shorter hero chrome on phones */
  .hero {
    padding-top: 14px;
  }

  .hero-lead {
    font-size: 0.9375rem;
    max-width: none;
  }

  .chrome-bar {
    border-bottom: 0;
  }

  body:not(.ready) #themes { opacity: 0.4; }
}

@keyframes sheet-up {
  from {
    opacity: 0.6;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes tab-fade {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 520px) {
  .chrome-inner { gap: 6px; }
  .brand {
    font-size: 1rem;
    max-width: 6.5rem;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex-shrink: 1;
  }
  .chrome-tools { gap: 4px; flex-shrink: 0; }
  .segmented-btn,
  .metric-toggle .metric-btn { padding: 5px 8px; }
  .glass-btn,
  .tool-btn { padding: 7px 9px; font-size: 0.75rem; }
  /* Icon-only Refresh so it isn't clipped off the right edge on iPhone */
  #hardRefresh {
    min-width: 36px;
    min-height: 36px;
    padding: 8px;
  }
  #hardRefresh .refresh-label { display: none; }
  #hardRefresh .refresh-icon { display: block; }
  .hero { padding-top: 12px; }
  .hero-lead { display: none; }
  .large-title,
  .hero h1 { font-size: 1.875rem; }
  .stats { grid-template-columns: 1fr 1fr; }
  .filter-toggle-label { display: none; }
  .filter-toggle { padding: 9px 11px; }
}