/* =========================================================================
   BatQuant ETF Monitor — Editorial Finance Desk
   ========================================================================= */

:root {
  /* === Apple system tokens — dark mode (default) === */
  /* Backgrounds */
  --bg:              #000000;
  --bg-elevated:     #1C1C1E;
  --bg-tertiary:     #2C2C2E;
  --bg-quaternary:   #3A3A3C;
  --bg-card:         rgba(28, 28, 30, 0.72);     /* materialThick */
  --bg-card-solid:   #1C1C1E;

  /* Separators */
  --separator:        rgba(84, 84, 88, 0.65);
  --separator-opaque: #38383A;

  /* Labels — iOS hierarchy */
  --label:             #FFFFFF;
  --label-secondary:   rgba(235, 235, 245, 0.60);
  --label-tertiary:    rgba(235, 235, 245, 0.30);
  --label-quaternary:  rgba(235, 235, 245, 0.18);

  /* Brand + semantic */
  --accent:       #D4A574;
  --accent-deep:  #8E6B40;
  --accent-glow:  rgba(212, 165, 116, 0.16);
  --green:        #32D74B;
  --red:          #FF453A;
  --orange:       #FF9F0A;
  --yellow:       #FFD60A;
  --gray:         #8E8E93;

  /* === Backward-compat aliases (app.js + legacy selectors read these) === */
  --bg-deep:      var(--bg);
  --line:         var(--separator);
  --line-strong:  var(--separator-opaque);
  --hairline:     rgba(235, 235, 245, 0.08);
  --ink:          var(--label);
  --ink-soft:     rgba(235, 235, 245, 0.60);
  --ink-mute:     rgba(235, 235, 245, 0.40);
  --ink-faint:    rgba(235, 235, 245, 0.18);
  --whisky:       var(--accent);
  --whisky-deep:  var(--accent-deep);
  --whisky-glow:  var(--accent-glow);
  --bronze:       var(--accent);
  --paper:        var(--label);
  --pos:          var(--green);
  --pos-deep:     #2BB347;
  --neg:          var(--red);
  --neg-deep:     #C03A30;

  /* Geometry — 8pt grid + iOS continuous corner radius */
  --rad-card: 14px;
  --rad-pill: 999px;
  --rad-sm:   8px;

  /* Type stacks — Apple system fonts everywhere */
  --font-display: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", system-ui, sans-serif;
  --font-body:    -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", system-ui, sans-serif;
  --font-mono:    ui-monospace, "SF Mono", Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  --font-cn-serif: "PingFang SC", "Hiragino Sans GB", "Source Han Sans SC", -apple-system, sans-serif;

  /* Page container — caps top-level layouts on ultrawide and provides a
     fluid horizontal gutter that scales from mobile to 4K. */
  --page-max: 1680px;
  --page-pad: clamp(16px, 4vw, 64px);
}

/* =========================================================================
   Light theme — opt-in via <html data-theme="light"> (default = dark).
   Apple iOS / macOS light system palette.
   ========================================================================= */
[data-theme="light"] {
  /* Backgrounds */
  --bg:              #FFFFFF;
  --bg-elevated:     #F2F2F7;
  --bg-tertiary:     #E5E5EA;
  --bg-quaternary:   #D1D1D6;
  --bg-card:         rgba(255, 255, 255, 0.72);
  --bg-card-solid:   #FFFFFF;

  /* Separators */
  --separator:        rgba(60, 60, 67, 0.29);
  --separator-opaque: #C6C6C8;

  /* Labels — iOS hierarchy on light */
  --label:             #000000;
  --label-secondary:   rgba(60, 60, 67, 0.60);
  --label-tertiary:    rgba(60, 60, 67, 0.30);
  --label-quaternary:  rgba(60, 60, 67, 0.18);

  /* Brand + semantic — slightly darker for AAA on white */
  --accent:       #B8884A;
  --accent-deep:  #6E5028;
  --accent-glow:  rgba(184, 136, 74, 0.18);
  --green:        #34C759;
  --red:          #FF3B30;
  --orange:       #FF9500;
  --yellow:       #FFCC00;
  --gray:         #8E8E93;

  /* Backward-compat aliases */
  --bg-deep:      var(--bg);
  --line:         var(--separator);
  --line-strong:  var(--separator-opaque);
  --hairline:     rgba(60, 60, 67, 0.10);
  --ink:          var(--label);
  --ink-soft:     rgba(60, 60, 67, 0.60);
  --ink-mute:     rgba(60, 60, 67, 0.40);
  --ink-faint:    rgba(60, 60, 67, 0.20);
  --whisky:       var(--accent);
  --whisky-deep:  var(--accent-deep);
  --whisky-glow:  var(--accent-glow);
  --bronze:       var(--accent);
  --paper:        var(--label);
  --pos:          var(--green);
  --pos-deep:     #28A745;
  --neg:          var(--red);
  --neg-deep:     #C82016;
}

/* Tone the decorative atmosphere down for the light theme. */
[data-theme="light"] .grain {
  opacity: 0.018;
  mix-blend-mode: multiply;
}
[data-theme="light"] .bg-mesh {
  opacity: 0.16;
}
[data-theme="light"] .bg-vignette {
  display: none;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  height: 100%;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "ss01", "ss02", "cv11";
  font-variant-numeric: tabular-nums;
  overflow-x: hidden;
}

button {
  font-family: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

button:focus-visible {
  outline: 1px dashed var(--whisky);
  outline-offset: 3px;
}

a {
  color: inherit;
}

/* =========================================================================
   Background atmosphere
   ========================================================================= */

/* Background atmosphere — toned down for Apple's clean surface aesthetic.
   Materials on cards provide the visual layering; the page background
   stays calm. */
.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0.025;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.92  0 0 0 0 0.9  0 0 0 0 0.85  0 0 0 0.9 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

.bg-mesh {
  position: fixed;
  inset: -20vh -10vw;
  pointer-events: none;
  z-index: 0;
  filter: blur(100px) saturate(1.05);
  opacity: 0.22;
  background:
    radial-gradient(55% 45% at 20% 10%, rgba(212, 165, 116, 0.22) 0%, transparent 65%),
    radial-gradient(40% 35% at 82% 88%, rgba(212, 165, 116, 0.10) 0%, transparent 70%);
}

.bg-vignette {
  display: none;   /* Apple HIG avoids vignettes; materials do the layering. */
}

main,
header,
nav,
footer {
  position: relative;
  z-index: 3;
}

/* =========================================================================
   Masthead
   ========================================================================= */

.masthead {
  max-width: var(--page-max);
  margin-inline: auto;
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 48px;
  padding: 58px var(--page-pad) 28px;
  position: relative;
  align-items: end;
}

.masthead__rule {
  position: absolute;
  left: var(--page-pad);
  right: var(--page-pad);
  top: 22px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-strong) 12%, var(--line-strong) 88%, transparent);
}

.masthead__monogram {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.32em;
  color: var(--ink-soft);
  text-transform: uppercase;
  padding-bottom: 14px;
}

.masthead__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(52px, 6.6vw, 96px);
  line-height: 0.92;
  letter-spacing: -0.035em;
  color: var(--label);
}

.masthead__title-bat {
  display: block;
}

.masthead__title-bat .acc {
  color: var(--accent);
  font-weight: 800;
}

.masthead__title-sub {
  display: block;
  margin-top: 6px;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: clamp(12px, 0.9vw, 14px);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--label-secondary);
}

.masthead__tag {
  margin-top: 18px;
  max-width: 540px;
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--ink-soft);
  font-size: 14px;
  letter-spacing: 0.01em;
  line-height: 1.6;
}

.masthead__right {
  display: grid;
  gap: 18px;
  justify-items: end;
}

.masthead__controls {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.masthead__clock {
  text-align: right;
  display: grid;
  gap: 4px;
}

.clock__tz {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

.clock__time {
  font-family: var(--font-mono);
  font-size: 28px;
  letter-spacing: -0.02em;
  color: var(--ink);
  font-weight: 500;
  font-feature-settings: "tnum";
}

.masthead__asof {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.asof__label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

.asof__value {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 18px;
  letter-spacing: 0.04em;
  color: var(--whisky);
  font-feature-settings: "tnum";
}

/* Apple capsule button: filled background, single-row content, subtle hover. */
.refresh {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 36px;
  padding: 0 14px;
  border: 1px solid var(--separator);
  border-radius: var(--rad-pill);
  background: var(--bg-elevated);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  transition: transform 0.15s ease,
              border-color 0.18s ease,
              background 0.18s ease,
              color 0.18s ease;
}

.refresh svg {
  width: 16px;
  height: 16px;
  color: var(--accent);
  transition: transform 0.4s ease;
}

.refresh__label {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0;
  color: var(--label);
}

.refresh__hint {
  display: none;   /* Apple capsules carry one short label only. */
}

.refresh:hover {
  border-color: var(--accent);
  background: var(--bg-tertiary);
}

.refresh:active {
  transform: scale(0.97);
}

.refresh:hover svg {
  transform: rotate(180deg);
}

.refresh.is-spinning svg {
  animation: spin 1.1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* =========================================================================
   Strategy switcher
   ========================================================================= */

/* Apple iOS segmented control — one rounded container, active tab as
   an elevated "pill", smooth transitions, no separator lines. */
.switcher {
  max-width: calc(var(--page-max) - 2 * var(--page-pad));
  width: calc(100% - 2 * var(--page-pad));
  margin: 28px auto 0;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 4px;
  padding: 4px;
  background: var(--bg-elevated);
  border-radius: var(--rad-sm);
  border: 1px solid var(--separator);
}

.switcher__tab {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-template-rows: auto auto;
  gap: 2px 14px;
  align-items: baseline;
  padding: 12px 16px;
  background: transparent;
  color: var(--label-secondary);
  text-align: left;
  border-radius: 6px;
  transition: background 0.2s cubic-bezier(0.32, 0.72, 0, 1),
              color 0.2s ease,
              transform 0.18s ease;
}

.switcher__tab.is-active {
  background: var(--bg-tertiary);
  color: var(--label);
  box-shadow: 0 0 0 0.5px var(--separator-opaque) inset,
              0 1px 2px rgba(0, 0, 0, 0.25);
}

.switcher__tab:hover:not(.is-active) {
  background: rgba(255, 255, 255, 0.04);
  color: var(--label);
}

[data-theme="light"] .switcher__tab:hover:not(.is-active) {
  background: rgba(0, 0, 0, 0.04);
}

[data-theme="light"] .switcher__tab.is-active {
  background: #FFFFFF;
  box-shadow: 0 0 0 0.5px var(--separator) inset,
              0 1px 3px rgba(0, 0, 0, 0.06),
              0 0 1px rgba(0, 0, 0, 0.04);
}

.switcher__num {
  grid-row: span 2;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 20px;
  color: var(--accent);
  align-self: center;
  line-height: 1;
  letter-spacing: -0.01em;
}

.switcher__name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--label);
}

.switcher__cn {
  grid-row: 2;
  grid-column: 2;
  font-family: var(--font-cn-serif);
  font-weight: 500;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--label-secondary);
}

.switcher__meta {
  grid-row: span 2;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--label-tertiary);
  align-self: center;
  text-align: right;
}

/* =========================================================================
   Stage / views
   ========================================================================= */

.stage {
  max-width: var(--page-max);
  margin-inline: auto;
  padding: 44px var(--page-pad) 60px;
}

.view {
  display: none;
  animation: rise 0.6s cubic-bezier(0.16, 0.6, 0.2, 1) both;
}

.view.is-active {
  display: block;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* =========================================================================
   Dashboard layout
   ========================================================================= */

.dash {
  display: grid;
  gap: 36px;
}

.dash__head {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 36px;
  align-items: end;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
}

.dash__roman {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.dash__title {
  display: flex;
  align-items: baseline;
  gap: 28px;
  flex-wrap: wrap;
}

.dash__title-en {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(40px, 4.6vw, 68px);
  line-height: 0.94;
  color: var(--label);
  letter-spacing: -0.03em;
}

.dash__title-cn {
  font-family: var(--font-cn-serif);
  font-weight: 600;
  font-size: 20px;
  color: var(--label-secondary);
  letter-spacing: 0.04em;
}

.dash__subtitle {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--label-tertiary);
}

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

.pos-card {
  position: relative;
  padding: 16px 18px 18px;
  border: 1px solid var(--separator);
  border-radius: var(--rad-card);
  background: var(--bg-card);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  overflow: hidden;
}

.pos-card::before {
  content: none;   /* Apple HIG: materials replace gradient washes. */
}

.pos-card--next {
  border-color: var(--accent);
  background:
    linear-gradient(135deg, var(--accent-glow), transparent 55%),
    var(--bg-card);
}

.pos-card__label {
  display: block;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: none;
  color: var(--label-tertiary);
  margin-bottom: 6px;
}

.pos-card__value {
  display: block;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 17px;
  color: var(--label);
  line-height: 1.4;
  letter-spacing: -0.01em;
  font-feature-settings: "tnum";
  font-variant-numeric: tabular-nums;
  /* Server emits one sub-book per line for multi-book positions
     (Full, Complex). Honor the newlines so the position card stays
     readable on every viewport. */
  white-space: pre-line;
  word-break: break-word;
}

.pos-card__date {
  display: block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--ink-soft);
  font-feature-settings: "tnum";
}

.pos-card__date:empty {
  display: none;
}

.pos-card__hint {
  display: block;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--whisky);
}

.pos-card__hint:empty {
  display: none;
}

/* =========================================================================
   Metrics row
   ========================================================================= */

.dash__metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1px;
  background: var(--separator);
  border: 1px solid var(--separator);
  border-radius: var(--rad-card);
  overflow: hidden;
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
}

.metric {
  position: relative;
  padding: 18px 20px;
  background: var(--bg-card-solid);
  display: grid;
  gap: 8px;
  align-content: start;
}

.metric__label {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 12px;
  letter-spacing: 0.02em;
  text-transform: none;
  color: var(--label-tertiary);
  line-height: 1.3;
}

.metric__hint {
  font-family: var(--font-cn-serif);
  font-weight: 400;
  font-size: 11px;
  letter-spacing: 0.02em;
  color: var(--label-tertiary);
  text-transform: none;
}

.metric__value {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 34px;
  letter-spacing: -0.022em;
  line-height: 1.05;
  color: var(--label);
  font-feature-settings: "tnum";
  font-variant-numeric: tabular-nums;
}

.metric__value.is-pos {
  color: var(--pos);
}

.metric__value.is-neg {
  color: var(--neg);
}

.metric__value.is-warm {
  color: var(--whisky);
}

.metric__sub {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-soft);
  letter-spacing: 0.08em;
}

/* =========================================================================
   Cards & chart grids
   ========================================================================= */

.card {
  border: 1px solid var(--separator);
  border-radius: var(--rad-card);
  background: var(--bg-card);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  padding: 20px;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.card__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--hairline);
}

.card__title {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--label);
}

.card__sub {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

.card__body {
  flex: 1;
  min-height: 0;
}

.dash__chart-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.card--equity .card__body {
  height: 420px;
}

.card--dd .card__body {
  height: 240px;
}

.card--rsi .card__body {
  height: 180px;
}

.dash.is-pro .card--equity .card__body {
  height: 540px;
}

.dash.is-pro .card--dd .card__body {
  height: 200px;
}

/* Theme toggle — sun / moon, same capsule treatment as .refresh. */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--separator);
  border-radius: var(--rad-pill);
  background: var(--bg-elevated);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  color: var(--label-secondary);
  transition: color 0.18s ease,
              border-color 0.18s ease,
              background 0.18s ease,
              transform 0.15s ease;
}
.theme-toggle svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.theme-toggle:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--bg-tertiary);
}
.theme-toggle:active {
  transform: scale(0.95);
}
.theme-toggle .theme-toggle__sun {
  display: none;
}
[data-theme="light"] .theme-toggle .theme-toggle__sun {
  display: block;
}
[data-theme="light"] .theme-toggle .theme-toggle__moon {
  display: none;
}

/* PRO / BASIC — Apple iOS segmented control mini variant. */
.proswitch {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  background: var(--bg-elevated);
  border: 1px solid var(--separator);
  border-radius: var(--rad-pill);
  padding: 3px;
  align-self: center;
}

.proswitch__btn {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--label-secondary);
  padding: 4px 12px;
  border-radius: var(--rad-pill);
  background: transparent;
  border: 0;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease;
}

.proswitch__btn:hover {
  color: var(--label);
}

.proswitch__btn.is-active {
  background: var(--bg-tertiary);
  color: var(--label);
  box-shadow: 0 0 0 0.5px var(--separator-opaque) inset,
              0 1px 2px rgba(0, 0, 0, 0.20);
}

[data-theme="light"] .proswitch__btn.is-active {
  background: #FFFFFF;
  box-shadow: 0 0 0 0.5px var(--separator) inset,
              0 1px 2px rgba(0, 0, 0, 0.08);
}

.dash__col-grid {
  display: grid;
  /* 3-col on wide screens; gracefully reflows to 2 then 1 via auto-fit. */
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.dash__col-grid--three {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.card--year .card__body,
.card--contrib .card__body {
  height: 290px;
}

.dash__monthly {
  display: grid;
  grid-template-columns: 1fr;
}

.card--monthly .card__body {
  min-height: 320px;
}

/* HTML `hidden` is otherwise overridden by `.card { display: flex }`. */
.card[hidden] {
  display: none !important;
}

/* =========================================================================
   Factor weights
   ========================================================================= */

.factors {
  display: grid;
  gap: 14px;
}

.factor-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 6px 12px;
  align-items: baseline;
}

.factor-row__label {
  font-family: var(--font-cn-serif);
  font-size: 13px;
  color: var(--ink);
  letter-spacing: 0.08em;
}

.factor-row__value {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--whisky);
  font-feature-settings: "tnum";
}

.factor-row__bar {
  grid-column: span 2;
  height: 4px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--whisky), var(--whisky-deep));
  position: relative;
  overflow: hidden;
}

.factor-row__bar::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.15) 50%, transparent);
  animation: sheen 6s linear infinite;
}

.factor-row__bar-track {
  height: 4px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.04);
  position: relative;
  grid-column: span 2;
}

.factor-row__bar-fill {
  position: absolute;
  inset: 0 auto 0 0;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--bronze), var(--whisky));
}

@keyframes sheen {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

/* =========================================================================
   Universe & KV lists
   ========================================================================= */

.universe {
  list-style: none;
  display: grid;
  gap: 8px;
}

.universe__row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 12px;
  align-items: baseline;
  padding: 8px 0;
  border-bottom: 1px dashed var(--hairline);
}

.universe__row:last-child {
  border-bottom: none;
}

.universe__code {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-soft);
  letter-spacing: 0.06em;
}

.universe__name {
  font-family: var(--font-cn-serif);
  font-size: 14px;
  color: var(--paper);
}

.universe__chip {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--whisky);
  border: 1px solid var(--line-strong);
  border-radius: var(--rad-pill);
  padding: 2px 8px;
  background: rgba(212, 165, 116, 0.08);
}

.universe__chip--muted {
  color: var(--ink-mute);
  background: transparent;
  border-color: var(--hairline);
}

.kv {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 18px;
  row-gap: 10px;
}

.kv dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

.kv dd {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--paper);
  text-align: right;
  font-feature-settings: "tnum";
}

/* =========================================================================
   Tables
   ========================================================================= */

.dash__tables {
  border: 1px solid var(--line);
  border-radius: var(--rad-card);
  background: var(--bg-card);
  backdrop-filter: blur(10px);
}

.tables__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 26px 14px;
  border-bottom: 1px solid var(--hairline);
  gap: 24px;
  flex-wrap: wrap;
}

.tables__title {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--label);
}

.tables__nav {
  display: flex;
  gap: 4px;
  background: rgba(255, 255, 255, 0.025);
  border-radius: var(--rad-pill);
  padding: 4px;
}

.tables__tab {
  padding: 8px 18px;
  font-family: var(--font-cn-serif);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
  border-radius: var(--rad-pill);
  transition: background 0.2s ease, color 0.2s ease;
}

.tables__tab:hover {
  color: var(--ink);
}

.tables__tab.is-active {
  background: var(--whisky);
  color: #1a140c;
  font-weight: 700;
}

.tables__body {
  padding: 0;
  max-height: 460px;
  overflow: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--separator-opaque) transparent;
}

.tables__body::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
.tables__body::-webkit-scrollbar-thumb {
  background: var(--separator-opaque);
  border-radius: 8px;
}
.tables__body::-webkit-scrollbar-track {
  background: transparent;
}

.tables__pane {
  display: none;
}

.tables__pane.is-active {
  display: block;
}

table.data-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink);
}

.data-table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  text-align: left;
  background: var(--bg-card-solid);
  padding: 14px 18px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-mute);
  border-bottom: 1px solid var(--line-strong);
  white-space: nowrap;
}

.data-table tbody td {
  padding: 12px 18px;
  border-bottom: 1px solid var(--hairline);
  white-space: nowrap;
  font-feature-settings: "tnum";
  font-variant-numeric: tabular-nums;
}

.data-table tbody tr:hover td {
  background: var(--whisky-glow);
}

.data-table td.num,
.data-table th.num {
  text-align: right;
}

.data-table td.pos {
  color: var(--pos);
  background: rgba(50, 215, 75, 0.05);
}

.data-table td.neg {
  color: var(--neg);
  background: rgba(255, 69, 58, 0.05);
}

.data-table tbody tr:hover td.pos {
  background: rgba(50, 215, 75, 0.10);
}

.data-table tbody tr:hover td.neg {
  background: rgba(255, 69, 58, 0.10);
}

.data-table td.cn {
  font-family: var(--font-cn-serif);
  letter-spacing: 0.06em;
}

/* Sticky first column on mobile: keep the date/year anchored when the user
   scrolls horizontally through the wide data tables. */
@media (max-width: 900px) {
  .data-table tbody td:first-child,
  .data-table thead th:first-child {
    position: sticky;
    left: 0;
    z-index: 1;
    background: var(--bg-card-solid);
  }
  .data-table thead th:first-child {
    z-index: 3;
  }
}

/* =========================================================================
   Compare view
   ========================================================================= */

.compare {
  display: grid;
  gap: 32px;
}

.compare__head {
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
}

.compare__roman {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.compare__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(38px, 4.4vw, 64px);
  letter-spacing: -0.03em;
  color: var(--label);
  line-height: 0.95;
}

.compare__sub {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

.compare__metrics {
  border: 1px solid var(--line);
  border-radius: var(--rad-card);
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  overflow: hidden;
}

.compare-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}

.compare-table thead th {
  text-align: left;
  padding: 16px 20px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--ink-mute);
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--line);
}

.compare-table tbody td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--hairline);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 18px;
  color: var(--label);
  font-feature-settings: "tnum";
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.compare-table tbody td.label {
  font-family: var(--font-cn-serif);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--ink-soft);
}

.compare-table tbody td .num-suffix {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-mute);
  margin-left: 4px;
  letter-spacing: 0.04em;
}

.compare-table tbody td.pos {
  color: var(--pos);
}

.compare-table tbody td.neg {
  color: var(--neg);
}

/* 4-way comparison highlights — best (leader) and worst (laggard) per
   row get a faint background tint so the eye can track the winner across
   metrics without re-reading every number. Tint is colour-coordinated
   with the pos/neg palette so it composes with existing pos/neg cells. */
.compare-table tbody td.compare-best {
  background: color-mix(in srgb, var(--pos) 12%, transparent);
  border-radius: 4px;
}

.compare-table tbody td.compare-worst {
  background: color-mix(in srgb, var(--neg) 10%, transparent);
  border-radius: 4px;
}

.compare__chart .card__body,
.compare__yearly .card__body {
  height: 380px;
}

.compare__chart,
.compare__yearly {
  border: 1px solid var(--line);
  border-radius: var(--rad-card);
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  padding: 22px 24px 24px;
}

/* =========================================================================
   Colophon
   ========================================================================= */

.colophon {
  max-width: var(--page-max);
  margin: 36px auto 0;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
  padding: 32px var(--page-pad) 40px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

.colophon__label {
  display: block;
  color: var(--ink-faint);
  margin-bottom: 4px;
}

.colophon__value {
  color: var(--ink-soft);
}

.colophon__col--end {
  text-align: right;
}

/* Data-quality banner — sits between the switcher and the dashboard,
   surfaces partial TuShare fetches and short-circuited refreshes. */
.dq-banner {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 10px var(--page-pad) 0;
}
.dq-banner[hidden] { display: none; }
.dq-banner p {
  margin: 6px 0;
  padding: 10px 14px;
  border: 1px solid var(--accent);
  background: var(--accent-glow, var(--whisky-glow));
  border-radius: var(--rad-sm);
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.45;
  color: var(--label);
}
.dq-banner code {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 1px 6px;
  border-radius: 4px;
  background: rgba(0, 0, 0, 0.18);
  color: var(--accent);
}
@media (max-width: 600px) {
  .dq-banner { padding: 8px 16px 0; }
  .dq-banner p { padding: 10px 12px; font-size: 12.5px; }
}

.colophon__signature {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-mute);
}

/* =========================================================================
   Overlay (loading / refreshing)
   ========================================================================= */

.overlay {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: rgba(7, 8, 11, 0.78);
  backdrop-filter: blur(14px);
  display: grid;
  place-items: center;
}

.overlay[hidden] {
  display: none !important;
}

.overlay__pane {
  width: min(520px, 88vw);
  padding: 36px 40px 32px;
  border: 1px solid var(--line-strong);
  border-radius: var(--rad-card);
  background: linear-gradient(160deg, rgba(212, 165, 116, 0.08), rgba(20, 22, 28, 0.92));
  text-align: center;
  display: grid;
  gap: 14px;
}

.overlay__rule {
  width: 60px;
  height: 1px;
  margin: 0 auto 4px;
  background: var(--whisky);
}

.overlay__kicker {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--whisky);
}

.overlay__line {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 18px;
  color: var(--paper);
  line-height: 1.45;
}

.overlay__bar {
  height: 3px;
  margin: 6px auto 4px;
  width: 70%;
  background: rgba(255, 255, 255, 0.06);
  overflow: hidden;
  border-radius: 4px;
}

.overlay__bar span {
  display: block;
  width: 38%;
  height: 100%;
  background: linear-gradient(90deg, var(--whisky), var(--bronze));
  animation: bar-slide 1.6s ease-in-out infinite;
}

@keyframes bar-slide {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(280%);
  }
}

.overlay__small {
  font-family: var(--font-cn-serif);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
}

/* =========================================================================
   Responsive — five tiers
   ========================================================================= */

/* Compact desktop / iPad landscape (≤ 1280): col-grids already reflow via
   auto-fit; we mostly need to make sure section gaps feel right. */
@media (max-width: 1280px) {
  .dash {
    gap: 28px;
  }
  .dash__head {
    gap: 28px;
    grid-template-columns: 1fr;
    align-items: start;
  }
  .dash__position {
    margin-top: 16px;
  }
}

/* Tablet portrait (≤ 900): masthead stacks, switcher becomes a single
   vertical column — five tabs in a 3-col grid produces an awkward 3+2
   layout and the labels truncate; one column is cleaner and gives full
   tap targets. */
@media (max-width: 900px) {
  .masthead {
    grid-template-columns: 1fr;
    gap: 24px;
    padding-top: 44px;
  }
  .masthead__right {
    justify-items: start;
  }
  .switcher {
    grid-template-columns: 1fr;
  }
  .switcher__tab {
    padding: 16px 20px;
    min-height: 44px;
  }
  .colophon {
    grid-template-columns: 1fr 1fr;
    gap: 22px;
  }
  .colophon__col--end {
    text-align: left;
  }
  .dash__position {
    grid-template-columns: 1fr;
  }
  .compare {
    gap: 28px;
  }
  /* Charts get a bit shorter to keep the page reasonable to scroll. */
  .card--equity .card__body { height: 360px; }
  .card--dd .card__body { height: 200px; }
  .card--rsi .card__body { height: 160px; }
  .card--monthly .card__body { min-height: 280px; }
  .card--year .card__body,
  .card--contrib .card__body { height: 260px; }
  .dash.is-pro .card--equity .card__body { height: 440px; }
}

/* Mobile (≤ 600): everything single column, tighter chrome but maintain
   the 15px floor so Chinese characters stay legible. */
@media (max-width: 600px) {
  body {
    font-size: 15px;
    line-height: 1.5;
  }
  .masthead {
    padding-top: 36px;
    gap: 20px;
  }
  .masthead__title {
    font-size: clamp(48px, 11vw, 72px);
  }
  .switcher {
    grid-template-columns: 1fr;
  }
  .switcher__tab {
    padding: 16px 20px;
  }
  .switcher__num {
    font-size: 28px;
  }
  .switcher__name {
    font-size: 22px;
  }
  .stage {
    padding-top: 32px;
    padding-bottom: 40px;
  }
  .dash {
    gap: 24px;
  }
  .colophon {
    grid-template-columns: 1fr;
    gap: 16px;
    padding-top: 24px;
    padding-bottom: 32px;
  }
  /* Card padding tightens for narrow screens. */
  .card {
    padding: 16px 16px 18px;
  }
  .pos-card {
    padding: 14px 16px 16px;
  }
  .pos-card__label {
    font-size: 10px;
    margin-bottom: 6px;
  }
  .pos-card__value {
    font-size: 17px;
    line-height: 1.45;
  }
  .pos-card__date {
    margin-top: 8px;
    font-size: 10.5px;
  }
  .pos-card__hint {
    font-size: 11.5px;
  }
  .metric {
    padding: 14px 14px 16px;
  }
  .metric__value {
    font-size: 24px;
  }
  .metric__label {
    font-size: 11px;
  }
  .metric__hint {
    font-size: 10.5px;
  }
  .metric__sub {
    font-size: 10.5px;
  }
  /* Force 2-col metrics grid — auto-fit at 180px min was leaking to 3
     half-rendered columns at iPhone-Pro widths. */
  .dash__metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  /* Chart heights compressed further. */
  .card--equity .card__body { height: 260px; }
  .card--dd .card__body { height: 160px; }
  .card--rsi .card__body { height: 130px; }
  .card--monthly .card__body { min-height: 220px; }
  .card--year .card__body,
  .card--contrib .card__body { height: 220px; }
  .dash.is-pro .card--equity .card__body { height: 320px; }
  /* Table panes — keep tappable nav, compress body height. */
  .tables__body { max-height: 360px; }
  .tables__nav { flex-wrap: wrap; gap: 6px; }
  .tables__tab { min-height: 40px; padding: 8px 14px; font-size: 13px; }
  .data-table thead th { padding: 12px 14px; }
  .data-table tbody td { padding: 11px 14px; }
  /* Dashboard header — drop the orphan Roman numeral (it's already on the
     active switcher tab), stack EN + CN cleanly, tighten letter spacing on
     the mono subtitle so it stops overflowing. */
  .dash__roman { display: none; }
  .dash__head {
    padding-bottom: 16px;
    gap: 14px;
  }
  .dash__title {
    flex-direction: column;
    gap: 6px;
    align-items: flex-start;
  }
  .dash__title-en {
    font-size: clamp(34px, 10vw, 52px);
    line-height: 0.92;
  }
  .dash__title-cn {
    font-size: 16px;
    letter-spacing: 0.16em;
  }
  .dash__subtitle {
    letter-spacing: 0.06em;
    font-size: 10.5px;
    word-spacing: 0.04em;
    line-height: 1.55;
  }
  /* Card head + PRO toggle stack vertically on narrow screens. */
  .card__head {
    flex-wrap: wrap;
    gap: 8px 12px;
  }
  .proswitch {
    padding: 2px;
  }
  .proswitch__btn {
    padding: 6px 12px;
    font-size: 10px;
    min-height: 32px;
  }
  /* Theme toggle + refresh tappable to ≥ 40 px. */
  .theme-toggle { width: 40px; height: 40px; }
  .refresh { min-height: 40px; padding: 10px 18px; }
}

/* =========================================================================
   Tiny utilities
   ========================================================================= */

.num {
  font-family: var(--font-mono);
  font-feature-settings: "tnum";
}

.muted {
  color: var(--ink-mute);
}

.pos {
  color: var(--pos);
}

.neg {
  color: var(--neg);
}

.warm {
  color: var(--whisky);
}
