/* ══════════════════════════════════════════════════
   ATMstockMarket — Linen Design System
   "Hairline editorial" — cream paper, ink type, hairline rules.
   Completely flat — zero radius, zero shadows, zero gradients.
   ══════════════════════════════════════════════════ */

/* ── Fonts ─────────────────────────────────────── */
/* Latin glyphs render in Times New Roman; CJK glyphs fall through to KaiTi (楷体). */
@import url("https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500&display=swap");

/* ============================================================
   Design Tokens
   ============================================================ */
:root {
  /* --- Colors — Linen palette --- */
  --color-surface: #f1ede3;
  --color-neutral: #f7f4ec;
  --color-ink: #111111;
  --color-graphite: #3a3733;
  --color-stone: #8a857c;
  --color-hairline: #1f1d1a;
  --color-signal: #c8462c;
  --color-on-ink: #f1ede3;

  /* Market-specific semantic colors */
  --c-up: #c8462c;
  --c-up-bg: rgba(200, 70, 44, 0.08);
  --c-up-bg-strong: rgba(200, 70, 44, 0.14);
  --c-down: #3a7a3a;
  --c-down-bg: rgba(58, 122, 58, 0.08);
  --c-down-bg-strong: rgba(58, 122, 58, 0.14);
  --c-warning: #a87d2f;
  --c-zero: #8a857c;

  /* --- Typography --- */
  /* Latin → Times New Roman, Chinese → 楷体 (KaiTi). Browser picks the first
     family that has a glyph for each character, so mixed text renders correctly. */
  --font-display: "Times New Roman", "KaiTi", "Kaiti SC", "STKaiti", "楷体", "DFKai-SB", serif;
  --font-body: "Times New Roman", "KaiTi", "Kaiti SC", "STKaiti", "楷体", "DFKai-SB", serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  --font-sans: var(--font-body);
  --font-serif: var(--font-display);
  --font-num: var(--font-mono);

  --text-display-xl: 156px;
  --text-display-lg: 112px;
  --text-headline-lg: 72px;
  --text-headline-md: 36px;
  --text-headline-sm: 22px;
  --text-body-md: 20px;
  --text-body-sm: 18px;
  --text-label-sm: 14px;
  --text-mono-sm: 14px;

  /* Legacy aliases used in templates */
  --text-xs: 14px;
  --text-sm: 17px;
  --text-base: 18px;
  --text-lg: 20px;
  --text-xl: 22px;
  --text-2xl: 30px;
  --text-3xl: 40px;
  --text-4xl: 60px;

  /* --- Spacing --- */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 72px;

  /* Legacy spacing aliases */
  --space-0-5: 4px;
  --space-1: 8px;
  --space-1-5: 10px;
  --space-2: 12px;
  --space-3: 16px;
  --space-4: 20px;
  --space-5: 24px;
  --space-6: 32px;
  --space-8: 40px;

  --gutter: 32px;
  --page-padding: 40px;
  --page-max: 1280px;

  /* --- Shape — ZERO radius --- */
  --radius-sm: 0px;
  --radius-md: 0px;
  --radius-lg: 0px;
  --radius-xl: 0px;
  --radius-full: 999px;

  /* --- Lines --- */
  --rule-hairline: 1px solid var(--color-hairline);
  --rule-signal: 2px solid var(--color-signal);

  /* --- Motion --- */
  --ease-out: cubic-bezier(0.2, 0.6, 0.2, 1);
  --dur-fast: 120ms;
  --dur-base: 180ms;
  --transition-fast: 120ms var(--ease-out);
  --transition-normal: 180ms var(--ease-out);
  --transition-slow: 250ms var(--ease-out);

  /* Shadows — ALL NONE for Linen */
  --shadow-sm: none;
  --shadow-md: none;
  --shadow-lg: none;
  --shadow-xl: none;
  --shadow-card: none;
  --shadow-card-hover: none;
  --shadow-nav: none;

  /* Focus ring */
  --focus-ring: 0 0 0 2px var(--color-signal);

  /* Z-index */
  --z-base: 0;
  --z-dropdown: 10;
  --z-sticky: 20;
  --z-fixed: 30;
  --z-overlay: 40;
  --z-modal: 50;

  /* Scrollbar */
  --c-scrollbar-track: transparent;
  --c-scrollbar-thumb: var(--color-hairline);
  --c-scrollbar-thumb-hover: var(--color-ink);

  /* Skeleton */
  --c-skeleton: var(--color-neutral);
  --c-skeleton-shine: var(--color-surface);

  /* Backward-compat aliases */
  --c-white: var(--color-surface);
  --c-black: var(--color-ink);
  --c-bg: var(--color-surface);
  --c-bg-secondary: var(--color-surface);
  --c-bg-tertiary: var(--color-neutral);
  --c-text: var(--color-ink);
  --c-text-secondary: var(--color-graphite);
  --c-text-tertiary: var(--color-stone);
  --c-text-muted: var(--color-stone);
  --c-border: var(--color-hairline);
  --c-border-light: var(--color-hairline);
  --c-border-strong: var(--color-ink);
  --c-link: var(--color-ink);
  --c-link-hover: var(--color-graphite);
  --c-link-visited: var(--color-graphite);
  --c-accent: var(--color-signal);
  --c-accent-light: var(--color-signal);
  --c-accent-dark: var(--color-ink);
  --c-accent-bg: var(--color-neutral);
  --c-card: transparent;
  --c-card-hover: var(--color-neutral);
  --c-card-selected: var(--color-neutral);
  --c-overlay: rgba(17, 17, 17, 0.4);
  --c-success: var(--c-down);
  --c-error: var(--c-up);
  --c-info: var(--color-signal);
  --c-table-header: var(--color-neutral);
  --c-table-stripe: rgba(31, 29, 26, 0.03);
  --c-table-hover: var(--color-neutral);
  --c-table-row-border: var(--color-hairline);
  --c-input-bg: transparent;
  --c-input-border: var(--color-hairline);
  --c-input-focus: var(--color-signal);
  --c-input-focus-ring: 0 0 0 2px var(--color-signal);
  --c-skeleton: var(--color-neutral);
}

/* ══════════════════════════════════════════════════
   Dark mode — Linen Night
   Inverted warm: charcoal paper, off-white ink, warm-hairline.
   ══════════════════════════════════════════════════ */

[data-theme="dark"] {
  --color-surface: #1a1814;
  --color-neutral: #23211c;
  --color-ink: #e6dfd3;
  --color-graphite: #a09888;
  --color-stone: #706658;
  --color-hairline: #3a3530;
  --color-signal: #d66947;
  --color-on-ink: #1a1814;

  --c-up: #d66947;
  --c-up-bg: rgba(214, 105, 71, 0.12);
  --c-up-bg-strong: rgba(214, 105, 71, 0.18);
  --c-down: #5a9a5a;
  --c-down-bg: rgba(90, 154, 90, 0.12);
  --c-down-bg-strong: rgba(90, 154, 90, 0.18);

  --c-white: var(--color-surface);
  --c-black: var(--color-ink);
  --c-bg: var(--color-surface);
  --c-bg-secondary: var(--color-surface);
  --c-bg-tertiary: var(--color-neutral);
  --c-text: var(--color-ink);
  --c-text-secondary: var(--color-graphite);
  --c-text-tertiary: var(--color-stone);
  --c-text-muted: var(--color-stone);
  --c-border: var(--color-hairline);
  --c-border-light: var(--color-hairline);
  --c-border-strong: var(--color-graphite);
  --c-link: var(--color-ink);
  --c-link-hover: var(--color-graphite);
  --c-link-visited: var(--color-graphite);
  --c-accent: var(--color-signal);
  --c-accent-light: var(--color-signal);
  --c-accent-bg: var(--color-neutral);
  --c-card: transparent;
  --c-card-hover: var(--color-neutral);
  --c-card-selected: var(--color-neutral);
  --c-overlay: rgba(0, 0, 0, 0.6);
  --c-table-header: var(--color-neutral);
  --c-table-stripe: rgba(200, 200, 180, 0.025);
  --c-table-hover: var(--color-neutral);
  --c-table-row-border: var(--color-hairline);
  --c-input-bg: transparent;
  --c-input-border: var(--color-hairline);
  --c-input-focus: var(--color-signal);
  --c-input-focus-ring: 0 0 0 2px var(--color-signal);
  --c-scrollbar-track: transparent;
  --c-scrollbar-thumb: var(--color-hairline);
  --c-scrollbar-thumb-hover: var(--color-graphite);
  --c-skeleton: var(--color-neutral);
  --c-skeleton-shine: var(--color-surface);
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-surface: #1a1814;
    --color-neutral: #23211c;
    --color-ink: #e6dfd3;
    --color-graphite: #a09888;
    --color-stone: #706658;
    --color-hairline: #3a3530;
    --color-signal: #d66947;
    --color-on-ink: #1a1814;
    --c-up: #d66947;
    --c-up-bg: rgba(214, 105, 71, 0.12);
    --c-up-bg-strong: rgba(214, 105, 71, 0.18);
    --c-down: #5a9a5a;
    --c-down-bg: rgba(90, 154, 90, 0.12);
    --c-down-bg-strong: rgba(90, 154, 90, 0.18);
    --c-bg: var(--color-surface);
    --c-bg-secondary: var(--color-surface);
    --c-bg-tertiary: var(--color-neutral);
    --c-text: var(--color-ink);
    --c-text-secondary: var(--color-graphite);
    --c-text-tertiary: var(--color-stone);
    --c-card: transparent;
    --c-card-hover: var(--color-neutral);
    --c-border: var(--color-hairline);
    --c-link: var(--color-ink);
    --c-accent: var(--color-signal);
    --c-table-header: var(--color-neutral);
    --c-table-hover: var(--color-neutral);
    --c-input-bg: transparent;
    --c-input-border: var(--color-hairline);
    --c-input-focus: var(--color-signal);
  }
}

/* ============================================================
   Base
   ============================================================ */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  background: var(--color-surface);
  color: var(--color-graphite);
  font-family: var(--font-body);
  font-size: var(--text-body-sm, 14px);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
  opacity: 1 !important;
}

::selection {
  background: var(--color-ink);
  color: var(--color-on-ink);
}

a {
  color: var(--color-ink);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  transition: opacity var(--dur-fast) var(--ease-out);
}

a:hover {
  opacity: 0.7;
  text-decoration: none;
}

img, svg {
  display: block;
  max-width: 100%;
}

hr {
  border: 0;
  border-top: var(--rule-hairline);
  margin: 0;
}

canvas { max-width: 100% !important; }

:focus-visible {
  outline: var(--rule-signal);
  outline-offset: 2px;
}

:focus:not(:focus-visible) {
  outline: none;
}

/* ─── Scrollbar ─────────────────────────────── */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: var(--c-scrollbar-track);
}
::-webkit-scrollbar-thumb {
  background: var(--c-scrollbar-thumb);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--c-scrollbar-thumb-hover);
}

/* ============================================================
   Typography — Linen editorial scale
   ============================================================ */

.t-display-xl,
.t-display-lg,
.t-headline-lg,
.t-headline-md {
  font-family: var(--font-display);
  color: var(--color-ink);
  margin: 0;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.t-display-xl {
  font-size: clamp(72px, 11vw, var(--text-display-xl));
  line-height: 0.92;
}

.t-display-lg {
  font-size: clamp(56px, 8vw, var(--text-display-lg));
  line-height: 0.96;
}

.t-headline-lg {
  font-size: var(--text-headline-lg);
  line-height: 1.0;
}

.t-headline-md {
  font-size: var(--text-headline-md);
  line-height: 1.1;
  font-weight: 600;
  letter-spacing: 0;
}

.t-headline-sm {
  font-family: var(--font-body);
  font-size: var(--text-headline-sm);
  line-height: 1.3;
  font-weight: 500;
  color: var(--color-ink);
  margin: 0;
}

.t-body {
  font-family: var(--font-body);
  font-size: var(--text-body-md);
  line-height: 1.55;
  color: var(--color-graphite);
  margin: 0;
}

.t-body-sm {
  font-family: var(--font-body);
  font-size: var(--text-body-sm);
  line-height: 1.55;
  color: var(--color-graphite);
  margin: 0;
}

.t-label {
  font-family: var(--font-body);
  font-size: var(--text-label-sm);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-stone);
  margin: 0;
}

.t-mono {
  font-family: var(--font-mono);
  font-size: var(--text-mono-sm);
  letter-spacing: 0.04em;
  color: var(--color-stone);
  margin: 0;
}

/* ── Legacy heading styles — now Linen-fied ── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
  color: var(--color-ink);
  margin-bottom: var(--space-md);
  letter-spacing: -0.01em;
}

h1 {
  font-size: clamp(32px, 5vw, var(--text-headline-lg));
  padding-bottom: var(--space-sm);
  border-bottom: var(--rule-hairline);
}

h2 {
  font-size: var(--text-headline-md);
  letter-spacing: 0;
}

h3 {
  font-size: var(--text-headline-sm);
  font-weight: 600;
  font-family: var(--font-body);
}

h4 {
  font-size: var(--text-body-md);
  font-weight: 500;
  font-family: var(--font-body);
}

p {
  font-family: var(--font-body);
  line-height: 1.55;
  color: var(--color-graphite);
  margin-bottom: var(--space-md);
}

/* ── Utility type ── */
.num-mono, .font-mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* ============================================================
   Layout primitives
   ============================================================ */

.l-page {
  max-width: var(--page-max);
  margin: 0 auto;
  padding: 0 var(--page-padding);
}

.l-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--gutter);
}

.l-rule {
  height: 1px;
  background: var(--color-hairline);
  width: 100%;
  border: 0;
}

.l-stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.l-row {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

/* ── Main content area ── */
main {
  max-width: 1280px;
  margin: 0 auto;
  padding: var(--space-lg) var(--page-padding);
}

@media (max-width: 768px) {
  main {
    padding: var(--space-md) 24px;
  }
}

/* ── Section helpers ── */
.section {
  padding: var(--space-3xl) 0;
}

.section--tight {
  padding: var(--space-2xl) 0;
}

.section__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: var(--rule-hairline);
  margin-bottom: var(--space-xl);
}

.eyebrow {
  font-family: var(--font-body);
  font-size: var(--text-label-sm);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-stone);
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
}

/* ─── Section header (legacy) ─────── */
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-md);
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.section-title {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-headline-sm);
  font-weight: 700;
  font-family: var(--font-display);
}

/* ============================================================
   Navigation — Linen top bar
   ============================================================ */

nav {
  background: var(--color-surface);
  border-bottom: var(--rule-hairline);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--page-padding);
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.04em;
  color: var(--color-ink);
  text-decoration: none;
  flex-shrink: 0;
}

.nav-logo:hover {
  text-decoration: none;
  opacity: 0.7;
  color: var(--color-ink);
}

.nav-logo-icon {
  display: inline-block;
  width: 10px;
  height: 16px;
  border-right: 1px solid var(--color-ink);
  transform: skewX(-18deg);
  transform-origin: bottom;
  background: none;
  border-radius: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: nowrap;
}

.nav-link {
  position: relative;
  padding: 16px 0;
  font-family: var(--font-body);
  font-size: var(--text-label-sm);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-stone);
  cursor: pointer;
  background: transparent;
  border: 0;
  transition: color var(--dur-fast) var(--ease-out);
  text-decoration: none;
  border-bottom: 0;
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--color-ink);
  opacity: 1;
  text-decoration: none;
  border-bottom: 0;
}

.nav-link.active {
  color: var(--color-ink);
}

.nav-link.active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: var(--color-signal);
}

/* ─── Freshness bar ── */
.freshness-bar, .nav-freshness {
  font-family: var(--font-mono);
  font-size: var(--text-mono-sm);
  color: var(--color-stone);
  letter-spacing: 0.04em;
  padding: 4px var(--page-padding);
  text-align: center;
  border-bottom: var(--rule-hairline);
  background: var(--color-neutral);
}

@media (max-width: 400px) {
  .nav-links { gap: 16px; }
}

/* ─── Mobile menu button ── */
.mobile-menu-btn {
  display: none;
  width: 44px;
  height: 44px;
  border: var(--rule-hairline);
  background: transparent;
  cursor: pointer;
  color: var(--color-ink);
  align-items: center;
  justify-content: center;
}

.mobile-menu-btn:hover {
  background: var(--color-neutral);
}

@media (max-width: 1023px) {
  .mobile-menu-btn { display: flex; }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: var(--rule-hairline);
    flex-direction: column;
    padding: var(--space-md);
    gap: 0;
    max-height: calc(100vh - 56px);
    overflow-y: auto;
  }

  .nav-links.open { display: flex; }

  .nav-link {
    padding: var(--space-md) var(--space-sm);
    width: 100%;
    border-bottom: var(--rule-hairline);
  }

  .nav-link.active::after { display: none; }
  .nav-link.active { color: var(--color-signal); }
}

/* ─── Tablet topbar (640-1023px) ── */
.tablet-topbar {
  display: none;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  padding-top: max(12px, env(safe-area-inset-top));
  border-bottom: var(--rule-hairline);
  background: var(--color-surface);
  position: sticky;
  top: 0;
  z-index: 40;
}

@media (min-width: 640px) and (max-width: 1023px) {
  .tablet-topbar { display: flex; }
}

.tablet-topbar-logo a {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--color-ink);
  text-decoration: none;
  border-bottom: 0;
}

.tablet-topbar-nav {
  display: flex;
  align-items: center;
  gap: 20px;
}

.tablet-topbar-nav a {
  font-family: var(--font-body);
  font-size: var(--text-label-sm);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-stone);
  text-decoration: none;
  border-bottom: 0;
  position: relative;
  padding: 4px 0;
}

.tablet-topbar-nav a:hover {
  color: var(--color-ink);
  opacity: 1;
}

.tablet-topbar-nav a.active {
  color: var(--color-ink);
}

.tablet-topbar-nav a.active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 2px;
  background: var(--color-signal);
}

/* ============================================================
   Bottom navigation (mobile)
   ============================================================ */

.bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--color-surface);
  border-top: var(--rule-hairline);
  z-index: 100;
  padding: 0 env(safe-area-inset-right, 0) env(safe-area-inset-bottom, 0) env(safe-area-inset-left, 0);
}

@media (max-width: 639px) {
  .bottom-nav {
    display: flex;
    justify-content: space-around;
    align-items: stretch;
    height: 40px;
  }

  body { padding-bottom: calc(40px + env(safe-area-inset-bottom, 0)); }

  footer { display: none; }
}

.bottom-nav-item {
  flex: 1;
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: center;
  gap: 3px;
  text-decoration: none;
  color: var(--color-stone);
  transition: color var(--dur-fast) var(--ease-out);
  position: relative;
  -webkit-tap-highlight-color: transparent;
  border-bottom: 0;
}

.bottom-nav-item:hover {
  color: var(--color-ink);
  text-decoration: none;
}

.bottom-nav-item.active {
  color: var(--color-ink);
}

.bottom-nav-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.bottom-nav-icon svg {
  width: 12px;
  height: 12px;
  stroke-width: 1.5;
}

.bottom-nav-label {
  font-family: var(--font-body);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: currentColor;
}

/* ============================================================
   Buttons — Linen editorial
   ============================================================ */

.btn {
  --btn-bg: transparent;
  --btn-fg: var(--color-ink);
  --btn-border: var(--color-hairline);

  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 12px 18px;
  border: 1px solid var(--btn-border);
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-family: var(--font-body);
  font-size: var(--text-label-sm);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  line-height: 1;
  cursor: pointer;
  transition: background var(--dur-base) var(--ease-out),
              color var(--dur-base) var(--ease-out),
              border-color var(--dur-base) var(--ease-out);
  text-decoration: none;
  box-shadow: none;
  min-height: auto;
}

.btn:hover {
  --btn-bg: var(--color-ink);
  --btn-fg: var(--color-on-ink);
  --btn-border: var(--color-ink);
  box-shadow: none;
  transform: none;
}

.btn:focus-visible {
  outline: var(--rule-signal);
  outline-offset: 2px;
}

.btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  --btn-bg: transparent;
  --btn-fg: var(--color-stone);
  --btn-border: var(--color-stone);
}

.btn--primary {
  --btn-bg: var(--color-ink);
  --btn-fg: var(--color-on-ink);
  --btn-border: var(--color-ink);
}

.btn--primary:hover {
  --btn-bg: transparent;
  --btn-fg: var(--color-ink);
  --btn-border: var(--color-hairline);
}

.btn--ghost {
  --btn-bg: transparent;
  --btn-fg: var(--color-ink);
  --btn-border: var(--color-hairline);
}

.btn--small {
  padding: 8px 12px;
  font-size: 10px;
}

.btn__arrow {
  width: 14px;
  height: 14px;
  stroke-width: 1.25;
}

/* ── Legacy button aliases ── */
.btn-primary {
  --btn-bg: var(--color-ink);
  --btn-fg: var(--color-on-ink);
  --btn-border: var(--color-ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 12px 18px;
  border: 1px solid var(--btn-border);
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-family: var(--font-body);
  font-size: var(--text-label-sm);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  line-height: 1;
  cursor: pointer;
}

.btn-primary:hover {
  --btn-bg: transparent;
  --btn-fg: var(--color-ink);
  --btn-border: var(--color-hairline);
  box-shadow: none;
  color: var(--color-ink);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 12px 18px;
  border: 1px solid var(--color-hairline);
  background: transparent;
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-label-sm);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
}

.btn-secondary:hover {
  background: var(--color-ink);
  color: var(--color-on-ink);
  box-shadow: none;
}

/* Pill variant */
.pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 6px 12px;
  border: 1px solid var(--color-hairline);
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: var(--text-label-sm);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-ink);
  background: transparent;
  cursor: pointer;
  transition: background var(--dur-base) var(--ease-out),
              color var(--dur-base) var(--ease-out);
}

.pill:hover {
  background: var(--color-ink);
  color: var(--color-on-ink);
}

.pill__arrow {
  width: 12px;
  height: 12px;
  stroke-width: 1.25;
}

/* ============================================================
   Cards — Linen hairline-framed
   ============================================================ */

.card {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  padding: var(--space-xl);
  background: transparent;
  border: var(--rule-hairline);
  transition: background var(--dur-fast) var(--ease-out);
  box-shadow: none;
}

.card:hover {
  background: var(--color-neutral);
  border-color: var(--color-hairline);
  box-shadow: none;
  transform: none;
}

.card--paper {
  background: var(--color-neutral);
}

.card--tight {
  padding: var(--space-lg);
}

.card__eyebrow {
  font-family: var(--font-body);
  font-size: var(--text-label-sm);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-stone);
  margin: 0;
}

.card__title {
  font-family: var(--font-display);
  font-size: var(--text-headline-md);
  font-weight: 600;
  color: var(--color-ink);
  letter-spacing: 0;
  line-height: 1.1;
  margin: 0;
}

.card__body {
  font-family: var(--font-body);
  font-size: var(--text-body-md);
  line-height: 1.55;
  color: var(--color-graphite);
  margin: 0;
}

.card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-family: var(--font-mono);
  font-size: var(--text-mono-sm);
  letter-spacing: 0.04em;
  color: var(--color-stone);
}

/* ── Legacy card alias ── */
.glass {
  padding: var(--space-lg);
  border: var(--rule-hairline);
  transition: background var(--dur-fast) var(--ease-out);
}

.glass:hover {
  background: var(--color-neutral);
  box-shadow: none;
}

/* ─── Data card ── */
.data-card {
  border: var(--rule-hairline);
  padding: var(--space-lg);
  margin-bottom: 0;
}

.data-card-header {
  border-bottom: var(--rule-hairline);
  padding-bottom: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.data-card-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-headline-sm);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.data-card-subtitle {
  color: var(--color-graphite);
  font-size: var(--text-body-sm);
  margin-top: var(--space-xs);
}

.data-card-body {
  font-size: var(--text-body-sm);
}

.data-card-row {
  display: flex;
  justify-content: space-between;
  padding: var(--space-sm) 0;
  border-bottom: var(--rule-hairline);
}

.data-card-row:last-child {
  border-bottom: none;
}

.data-card-label {
  color: var(--color-graphite);
}

.data-card-value {
  font-weight: 600;
  font-family: var(--font-mono);
}

.data-card-value.up { color: var(--c-up); }
.data-card-value.down { color: var(--c-down); }

/* ============================================================
   Stat blocks — Linen signature
   ============================================================ */

.stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding-bottom: var(--space-md);
  border-bottom: var(--rule-hairline);
}

.stat__value {
  font-family: var(--font-display);
  font-size: 56px;
  font-weight: 700;
  line-height: 1.0;
  letter-spacing: -0.01em;
  color: var(--color-ink);
  margin: 0;
}

.stat__value--xl {
  font-size: 88px;
  line-height: 0.95;
}

.stat__caption {
  font-family: var(--font-mono);
  font-size: var(--text-mono-sm);
  letter-spacing: 0.04em;
  color: var(--color-stone);
  text-transform: uppercase;
  margin: 0;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--gutter);
}

@media (min-width: 768px) {
  .stat-grid--4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ============================================================
   Tables — Linen data grids
   ============================================================ */

.zebra-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: var(--text-body-sm);
  border: var(--rule-hairline);
  overflow: hidden;
}

.zebra-table thead {
  border-bottom: var(--rule-hairline);
}

.zebra-table th {
  padding: 10px 12px;
  text-align: left;
  font-family: var(--font-body);
  font-size: var(--text-label-sm);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-stone);
  border: none;
  border-bottom: var(--rule-hairline);
  background: var(--color-neutral);
}

.zebra-table th.text-center,
.zebra-table td.text-center { text-align: center; }
.zebra-table th.text-right,
.zebra-table td.text-right { text-align: right; }

.zebra-table td {
  padding: 10px 12px;
  border: none;
  border-bottom: var(--rule-hairline);
  color: var(--color-graphite);
  font-size: 13px;
}

.zebra-table tbody tr {
  transition: background var(--dur-fast) var(--ease-out);
}

.zebra-table tbody tr:nth-child(even) {
  background: var(--c-table-stripe, rgba(31, 29, 26, 0.03));
}

.zebra-table tbody tr:hover {
  background: var(--color-neutral);
  cursor: pointer;
}

.zebra-table tbody tr:last-child td {
  border-bottom: none;
}

/* ── Table scroll wrapper ── */
.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  position: relative;
}

.table-scroll::-webkit-scrollbar {
  height: 4px;
}

/* ============================================================
   Inputs — Linen hairline-framed
   ============================================================ */

.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  border-top: var(--rule-hairline);
  border-bottom: var(--rule-hairline);
  padding: var(--space-sm) 0;
}

.field__label {
  font-family: var(--font-body);
  font-size: var(--text-label-sm);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-stone);
  padding-top: var(--space-xs);
}

.field__input,
.field__textarea,
.field__select {
  appearance: none;
  -webkit-appearance: none;
  background: transparent;
  border: 0;
  outline: none;
  font-family: var(--font-body);
  font-size: var(--text-body-md);
  color: var(--color-ink);
  padding: 6px 0 10px;
  width: 100%;
  line-height: 1.4;
}

.field__input::placeholder,
.field__textarea::placeholder {
  color: var(--color-stone);
}

.field:focus-within {
  border-bottom: var(--rule-signal);
  padding-bottom: calc(var(--space-sm) - 1px);
}

/* Legacy input styles */
input[type="text"],
input[type="search"],
input[type="email"],
input[type="number"],
select,
textarea {
  width: 100%;
  padding: 8px 0;
  background: transparent;
  border: 0;
  border-top: var(--rule-hairline);
  border-bottom: var(--rule-hairline);
  font-family: var(--font-body);
  font-size: var(--text-body-md);
  color: var(--color-ink);
  transition: border-color var(--dur-fast) var(--ease-out);
  outline: none;
  -webkit-appearance: none;
}

input[type="text"]:focus,
input[type="search"]:focus,
input[type="email"]:focus,
input[type="number"]:focus,
select:focus,
textarea:focus {
  border-bottom-color: var(--color-signal);
  border-bottom-width: 2px;
  box-shadow: none;
}

input::placeholder,
textarea::placeholder {
  color: var(--color-stone);
}

/* Checkbox — Linen */
.check {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  cursor: pointer;
  user-select: none;
}

.check__input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
  width: 0;
  height: 0;
}

.check__box {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  border: var(--rule-hairline);
  background: transparent;
  flex-shrink: 0;
  transition: background var(--dur-fast) var(--ease-out),
              border-color var(--dur-fast) var(--ease-out);
}

.check__box svg {
  width: 10px;
  height: 10px;
  stroke: var(--color-on-ink);
  stroke-width: 1.5;
  fill: none;
  opacity: 0;
  transition: opacity var(--dur-fast) var(--ease-out);
}

.check__input:checked + .check__box {
  background: var(--color-ink);
  border-color: var(--color-ink);
}

.check__input:checked + .check__box svg {
  opacity: 1;
}

.check__input:focus-visible + .check__box {
  outline: var(--rule-signal);
  outline-offset: 2px;
}

.check__label {
  font-family: var(--font-body);
  font-size: var(--text-body-sm);
  color: var(--color-graphite);
}

/* ============================================================
   Tabs — Linen underline
   ============================================================ */

.tabs {
  display: flex;
  gap: var(--space-xl);
  border-bottom: var(--rule-hairline);
  margin: 0;
  padding: 0;
  list-style: none;
}

.tabs__item {
  position: relative;
  padding: 12px 0;
  font-family: var(--font-body);
  font-size: var(--text-label-sm);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-stone);
  cursor: pointer;
  background: transparent;
  border: 0;
  transition: color var(--dur-fast) var(--ease-out);
}

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

.tabs__item--active {
  color: var(--color-ink);
}

.tabs__item--active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: var(--color-signal);
}

/* ─── Tab button (legacy) ── */
.tab-container {
  display: flex;
  gap: 0;
  flex-wrap: wrap;
  width: fit-content;
}

.tab-btn {
  padding: 10px 16px;
  font-family: var(--font-body);
  font-size: var(--text-label-sm);
  font-weight: 500;
  color: var(--color-stone);
  background: transparent;
  border: var(--rule-hairline);
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease-out);
  white-space: nowrap;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.tab-btn:hover {
  color: var(--color-ink);
  background: var(--color-neutral);
}

.tab-btn.active {
  color: var(--color-on-ink);
  background: var(--color-ink);
  border-color: var(--color-ink);
}

/* ============================================================
   Inline indicators & dots
   ============================================================ */

.dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--color-signal);
  border-radius: var(--radius-full);
  vertical-align: middle;
}

.status-indicator {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-mono-sm);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

.status-indicator::before {
  content: '';
  width: 6px;
  height: 6px;
  background: currentColor;
}

.status-live { color: var(--c-down); }
.status-warning { color: var(--c-warning); }
.status-error { color: var(--c-up); }

/* ============================================================
   Badge & Tag
   ============================================================ */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  font-family: var(--font-mono);
  font-size: var(--text-mono-sm);
  letter-spacing: 0.04em;
  color: var(--color-stone);
  border: var(--rule-hairline);
}

.tag {
  display: inline-block;
  padding: 1px 8px;
  font-family: var(--font-body);
  font-size: var(--text-label-sm);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: var(--rule-hairline);
}
.tag-green { color: var(--c-down); border-color: var(--c-down); }
.tag-amber { color: var(--c-warning); border-color: var(--c-warning); }
.tag-red { color: var(--c-up); border-color: var(--c-up); }

.style-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 2px 8px;
  font-family: var(--font-body);
  font-size: var(--text-label-sm);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border: 1px solid;
}

.style-large { color: var(--c-up); border-color: var(--c-up); }
.style-small { color: var(--c-down); border-color: var(--c-down); }
.style-balanced { color: var(--color-ink); border-color: var(--color-hairline); }

/* ============================================================
   Analysis Page Components — Linen
   ============================================================ */

/* ─── Preset bar ── */
.preset-bar {
  display: flex;
  align-items: center;
  gap: 0;
  padding: 0;
  border-bottom: var(--rule-hairline);
  margin-bottom: var(--space-lg);
}

.preset-btn {
  padding: 8px 16px;
  border: none;
  border-right: var(--rule-hairline);
  background: transparent;
  color: var(--color-stone);
  font-family: var(--font-body);
  font-size: var(--text-label-sm);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
  transition: color var(--dur-fast) var(--ease-out);
}

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

.preset-btn.active {
  color: var(--color-ink);
}

.preset-freshness {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: var(--text-mono-sm);
  color: var(--color-stone);
  letter-spacing: 0.04em;
}

.tech-btn, .rec-btn {
  padding: 8px 14px;
  border: none;
  border-right: var(--rule-hairline);
  background: transparent;
  color: var(--color-stone);
  font-family: var(--font-body);
  font-size: var(--text-label-sm);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out);
}

.tech-btn:hover, .rec-btn:hover {
  color: var(--color-ink);
}

/* ─── Section banners ── */
.section-banner {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg) 0;
  border-bottom: var(--rule-hairline);
  margin-top: var(--space-xl);
}

.section-banner:first-of-type {
  margin-top: 0;
  border-top: none;
}

.section-banner-num {
  font-family: var(--font-display);
  font-size: 56px;
  font-weight: 700;
  line-height: 1;
  color: var(--color-stone);
  flex-shrink: 0;
  letter-spacing: -0.01em;
}

.section-banner-title {
  font-family: var(--font-body);
  font-size: var(--text-headline-sm);
  font-weight: 500;
  color: var(--color-ink);
  margin: 0;
}

.section-banner-question {
  font-family: var(--font-body);
  font-size: var(--text-body-sm);
  color: var(--color-stone);
  margin-top: 2px;
}

/* Section description */
.section-desc {
  padding: var(--space-sm) 0 var(--space-md);
  font-size: var(--text-body-sm);
  color: var(--color-stone);
  line-height: 1.55;
  border-bottom: var(--rule-hairline);
  margin-bottom: var(--space-md);
}

.section-desc b {
  color: var(--color-ink);
  font-weight: 600;
}

/* ─── Executive summary ── */
.exec-summary {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  border: var(--rule-hairline);
  padding: var(--space-md) var(--space-lg);
  margin-bottom: var(--space-md);
  background: var(--color-neutral);
}

.exec-summary-icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  background: var(--color-ink);
  color: var(--color-on-ink);
  display: flex;
  align-items: center;
  justify-content: center;
}

.exec-summary-body {
  font-size: var(--text-body-sm);
  color: var(--color-graphite);
  line-height: 1.55;
  flex: 1;
}

.exec-summary-body strong { color: var(--color-ink); }

/* ─── KPI cards ── */
.kpi-row {
  display: flex;
  gap: var(--gutter);
  margin-bottom: var(--space-lg);
}

.kpi-card {
  flex: 1;
  border-bottom: var(--rule-hairline);
  padding: var(--space-md) 0;
  transition: border-color var(--dur-fast) var(--ease-out);
}

.kpi-card:hover {
  border-bottom: 2px solid var(--color-signal);
  padding-bottom: calc(var(--space-md) - 1px);
}

.kpi-label {
  font-family: var(--font-body);
  font-size: var(--text-label-sm);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-stone);
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: var(--space-xs);
}

.kpi-value {
  font-family: var(--font-display);
  font-size: var(--text-headline-md);
  font-weight: 700;
  color: var(--color-ink);
  line-height: 1.1;
}

.kpi-sub {
  font-family: var(--font-mono);
  font-size: var(--text-mono-sm);
  color: var(--color-signal);
  letter-spacing: 0.04em;
  margin-top: 2px;
}

/* Info tooltip */
.info-tip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--color-stone);
  cursor: help;
  vertical-align: middle;
  border: var(--rule-hairline);
  position: relative;
  transition: color var(--dur-fast) var(--ease-out),
              border-color var(--dur-fast) var(--ease-out);
}

.info-tip:hover {
  color: var(--color-ink);
  border-color: var(--color-ink);
}

.info-tip::after {
  content: attr(data-tip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-ink);
  color: var(--color-on-ink);
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 400;
  padding: 8px 12px;
  white-space: normal;
  width: max-content;
  max-width: 260px;
  line-height: 1.5;
  letter-spacing: 0;
  text-transform: none;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-fast) var(--ease-out);
  z-index: 100;
}

.info-tip:hover::after {
  opacity: 1;
}

/* ─── Chart grid ── */
.chart-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--gutter);
}

.chart-cell {
  border: var(--rule-hairline);
  padding: var(--space-lg);
  overflow: hidden;
  transition: background var(--dur-fast) var(--ease-out);
}

.chart-cell:hover {
  background: var(--color-neutral);
}

.chart-cell h3 {
  font-family: var(--font-body);
  font-size: var(--text-label-sm);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-stone);
  margin: 0 0 var(--space-md);
  display: flex;
  align-items: center;
  gap: 6px;
  border-bottom: 0;
  padding-bottom: 0;
}

.chart-container {
  width: 100%;
  height: 280px;
}

.chart-full {
  margin-top: var(--space-sm);
}

.chart-main { height: 300px; width: 100%; }
.chart-sub { height: 300px; width: 100%; }

/* ─── Chart groups (collapsible) ── */
.chart-group {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.chart-group-details {
  border: var(--rule-hairline);
  overflow: hidden;
  margin-bottom: var(--space-sm);
}

.chart-group-summary {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  cursor: pointer;
  list-style: none;
  user-select: none;
  transition: background var(--dur-fast) var(--ease-out);
  border-bottom: var(--rule-hairline);
}

.chart-group-summary:hover { background: var(--color-neutral); }
.chart-group-summary::-webkit-details-marker { display: none; }

.chart-group-title {
  font-family: var(--font-body);
  font-size: var(--text-body-sm);
  font-weight: 600;
  color: var(--color-ink);
}

.chart-group-chevron {
  margin-left: auto;
  color: var(--color-stone);
  transition: transform var(--dur-base) var(--ease-out);
}

.chart-group-details[open] .chart-group-chevron { transform: rotate(180deg); }

/* ─── Quadrant grid ── */
.quadrant-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  overflow: hidden;
  flex: 1;
}

.quadrant-cell {
  padding: 10px;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  border: var(--rule-hairline);
}

.quadrant-cell .q-name {
  font-family: var(--font-body);
  font-size: var(--text-label-sm);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-ink);
  margin-bottom: 4px;
}

.quadrant-cell .q-value {
  font-family: var(--font-mono);
  font-size: var(--text-headline-sm);
  font-weight: 700;
}

.quadrant-cell .q-label {
  font-size: var(--text-mono-sm);
  color: var(--color-stone);
  letter-spacing: 0.04em;
  margin-top: 2px;
}

/* ============================================================
   Bento Grid Home — Linen cards
   ============================================================ */

.home-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}

.home-card {
  border: var(--rule-hairline);
  padding: var(--space-lg);
  transition: background var(--dur-fast) var(--ease-out);
}

.home-card:hover {
  background: var(--color-neutral);
  border-color: var(--color-hairline);
}

.home-card-full { grid-column: span 1; }
.home-card-wide { grid-column: span 2; }

.home-card-inner {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  text-decoration: none;
  color: inherit;
  border-bottom: 0;
}

.home-card-inner:hover {
  text-decoration: none;
}

.home-card-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: var(--rule-hairline);
  transition: background var(--dur-fast) var(--ease-out);
}

.home-card-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-headline-sm);
  color: var(--color-ink);
  margin-bottom: 2px;
}

.home-card-desc {
  font-family: var(--font-body);
  font-size: var(--text-body-sm);
  color: var(--color-stone);
}

.home-card-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: var(--rule-hairline);
}

.home-card-heading {
  font-family: var(--font-body);
  font-size: var(--text-label-sm);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-ink);
}

.home-card-subtitle {
  font-family: var(--font-mono);
  font-size: var(--text-mono-sm);
  color: var(--color-stone);
  letter-spacing: 0.04em;
  margin-left: auto;
}

.home-card-bar {
  width: 2px;
  height: 14px;
  flex-shrink: 0;
  background: var(--color-hairline);
}

.home-card-bar.accent { background: var(--color-signal); }
.home-card-bar.up { background: var(--c-up); }
.home-card-bar.neutral { background: var(--color-stone); }

.home-card-chevron {
  transition: transform var(--dur-base) var(--ease-out);
  color: var(--color-stone);
}
details[open] .home-card-chevron { transform: rotate(180deg); }

.home-card-details {
  transition: all var(--dur-base) var(--ease-out);
}
.home-card-details summary {
  list-style: none;
  padding: var(--space-sm) 0;
}
.home-card-details summary::-webkit-details-marker { display: none; }
.home-card-details[open] summary {
  padding-bottom: var(--space-sm);
  border-bottom: var(--rule-hairline);
  margin-bottom: var(--space-sm);
}
.home-card--data { padding: var(--space-md) var(--space-lg); overflow: hidden; }

/* ─── Quick strip ── */
.quick-strip {
  display: flex;
  gap: 0;
  border: var(--rule-hairline);
  padding: 0;
  overflow-x: auto;
  margin-top: var(--space-lg);
  -webkit-overflow-scrolling: touch;
}

.quick-strip-link {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  /* Uniform width so every strip link matches the widest ("Investment Advice").
     Mobile breakpoints below override flex to 50%/100% for wrapping. */
  flex: 0 0 180px;
  padding: 10px 16px;
  font-family: var(--font-body);
  font-size: var(--text-body-sm);
  color: var(--color-stone);
  text-decoration: none;
  white-space: nowrap;
  transition: all var(--dur-fast) var(--ease-out);
  border-right: var(--rule-hairline);
  border-bottom: 0;
}

.quick-strip-link:last-child { border-right: none; }

.quick-strip-link:hover {
  background: var(--color-neutral);
  color: var(--color-ink);
}

/* ─── Market banner ── */
.market-banner {
  border: var(--rule-hairline);
  transition: background var(--dur-fast) var(--ease-out);
}

/* ============================================================
   Empty state — Linen
   ============================================================ */

.empty-state {
  padding: var(--space-2xl);
  text-align: center;
  color: var(--color-stone);
  border: var(--rule-hairline);
}

.empty-state-icon {
  font-size: 32px;
  margin-bottom: var(--space-md);
  opacity: 0.4;
}

.empty-state-title {
  font-family: var(--font-display);
  font-size: var(--text-headline-md);
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: var(--space-sm);
}

.empty-state-description {
  font-family: var(--font-body);
  font-size: var(--text-body-sm);
  color: var(--color-stone);
  max-width: 40ch;
  margin: 0 auto;
}

.empty-state-action {
  margin-top: var(--space-lg);
}

/* ============================================================
   Error state
   ============================================================ */

.error-state {
  padding: var(--space-lg);
  text-align: center;
  color: var(--c-up);
  border: var(--rule-hairline);
}

.error-message {
  padding: var(--space-md);
  border: var(--rule-hairline);
}

.error-message-title {
  font-weight: 600;
  color: var(--c-up);
  margin-bottom: var(--space-sm);
}

.error-message-detail {
  font-size: var(--text-body-sm);
  color: var(--color-graphite);
}

/* ============================================================
   Loader / Spinner
   ============================================================ */

.spinner {
  width: 20px;
  height: 20px;
  border: 1px solid var(--color-hairline);
  border-top-color: var(--color-ink);
  animation: spin 0.8s linear infinite;
}

.spinner-sm {
  width: 16px;
  height: 16px;
}

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

/* ============================================================
   Skeleton — Linen
   ============================================================ */

.skeleton-pulse {
  background: linear-gradient(90deg, var(--color-neutral) 25%, var(--color-surface) 50%, var(--color-neutral) 75%);
  background-size: 200% 100%;
  animation: skeleton-pulse 1.5s ease-in-out infinite;
}

[data-theme="dark"] .skeleton-pulse {
  background: linear-gradient(90deg, #23211c 25%, #1a1814 50%, #23211c 75%);
  background-size: 200% 100%;
}

@keyframes skeleton-pulse {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.skeleton {
  background: linear-gradient(90deg, var(--color-neutral) 25%, var(--color-surface) 50%, var(--color-neutral) 75%);
  background-size: 200px 100%;
  animation: skeleton-pulse 1.5s ease-in-out infinite;
  display: inline-block;
}

.skeleton-card {
  border: var(--rule-hairline);
  padding: var(--space-xl);
}

.skeleton-card .skeleton-line {
  height: 14px;
  margin-bottom: 10px;
}

.skeleton-card .skeleton-line:last-child { width: 60%; }
.skeleton-card .skeleton-title { height: 20px; width: 40%; margin-bottom: 16px; }

.skeleton-table { width: 100%; }
.skeleton-table .skeleton-row {
  display: flex;
  gap: var(--space-sm);
  padding: 10px 0;
  border-bottom: var(--rule-hairline);
}
.skeleton-table .skeleton-cell { height: 14px; flex: 1; }

.skeleton-chart {
  height: 280px;
  border: var(--rule-hairline);
}

.skeleton-chart .skeleton-bars {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  height: 80%;
  padding: var(--space-md);
}

.skeleton-chart .skeleton-bar { flex: 1; }

.hard-skeleton {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  min-height: 200px;
  border: var(--rule-hairline);
}

.hard-skeleton-text {
  font-family: var(--font-mono);
  font-size: var(--text-mono-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-stone);
  animation: hard-blink 1.2s step-end infinite;
}

.hard-skeleton-sm { min-height: 56px; }
.hard-skeleton-xs { min-height: 40px; }

@keyframes hard-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* ============================================================
   Theme toggle
   ============================================================ */

.theme-toggle-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: transparent;
  border: var(--rule-hairline);
  color: var(--color-stone);
  cursor: pointer;
  transition: color var(--dur-fast) var(--ease-out),
              background var(--dur-fast) var(--ease-out);
}

.theme-toggle-btn:hover {
  background: var(--color-neutral);
  color: var(--color-ink);
}

/* ============================================================
   Sector / ETF page components
   ============================================================ */

.sector-card {
  border: var(--rule-hairline);
  padding: var(--space-md);
  transition: background var(--dur-fast) var(--ease-out);
  cursor: pointer;
  font-size: var(--text-body-sm);
}

.sector-card:hover {
  background: var(--color-neutral);
}

.sector-card.selected { border-left-color: var(--color-signal); }
.sector-card.strong { border-left-color: var(--c-up); }
.sector-card.lurk { border-left-color: var(--color-ink); }
.sector-card.exit { border-left-color: var(--c-down); }
.sector-card.risk { border-left-color: var(--c-warning); }

/* ─── Date range selector ── */
.range-btn {
  padding: 6px 14px;
  border: var(--rule-hairline);
  background: transparent;
  color: var(--color-stone);
  font-family: var(--font-body);
  font-size: var(--text-label-sm);
  font-weight: 500;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--dur-fast) var(--ease-out);
}

.range-btn.active {
  background: var(--color-ink);
  color: var(--color-on-ink);
  border-color: var(--color-ink);
}

.range-btn:hover {
  background: var(--color-ink);
  color: var(--color-on-ink);
}

/* ─── Rank badge ── */
.rank-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  font-weight: 700;
  font-size: 11px;
  font-family: var(--font-mono);
  border: var(--rule-hairline);
}

.rank-1 { background: var(--color-ink); color: var(--color-on-ink); }
.rank-2 { background: var(--color-neutral); color: var(--color-ink); }
.rank-3 { background: var(--color-neutral); color: var(--color-ink); }
.rank-other { background: transparent; color: var(--color-stone); }

/* ─── Heat cell ── */
.heat-cell {
  padding: var(--space-md);
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease-out);
  text-align: center;
  border: var(--rule-hairline);
}

.heat-cell:hover {
  background: var(--color-neutral);
  border-color: var(--color-hairline);
}

/* ─── Share status ── */
.share-status-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: var(--text-body-sm);
  padding: 6px 10px;
  border: var(--rule-hairline);
  color: var(--color-graphite);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  flex-shrink: 0;
}
.status-dot-ok { background: var(--c-down); }
.status-dot-warn { background: var(--c-warning); }
.status-dot-error { background: var(--c-up); }

/* ─── Progress bar ── */
.progress-bar-track {
  height: 4px;
  background: var(--color-neutral);
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  transition: width 0.4s var(--ease-out);
}

.progress-bar-fill.running { background: var(--color-ink); }
.progress-bar-fill.done { background: var(--color-hairline); }
.progress-bar-fill.error { background: var(--c-up); }

/* ─── ETF info grid ── */
.etf-info-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.etf-stats {
  display: flex;
  gap: var(--space-lg);
}

/* ============================================================
   Sidebar — kept for layout but minimally styled
   ============================================================ */

@media (min-width: 1024px) {
  .page-layout {
    display: flex;
    min-height: 100vh;
  }
  .page-layout > main,
  .page-layout > .main-content {
    flex: 1;
    min-width: 0;
  }
  .sidebar-nav {
    display: flex;
    flex-direction: column;
    width: 240px;
    flex-shrink: 0;
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    overflow-y: auto;
    z-index: 100;
  }
  .page-layout > main {
    margin-left: 240px;
  }
}
@media (max-width: 1023px) {
  .sidebar-nav { display: none; }
}

.sidebar-nav {
  background: var(--color-surface);
  border-right: var(--rule-hairline);
  padding: 0;
}

.sidebar-logo {
  padding: var(--space-lg) var(--space-md) var(--space-md);
  border-bottom: var(--rule-hairline);
}

.sidebar-logo a {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--color-ink);
  text-decoration: none;
  border-bottom: 0;
}

.sidebar-logo-sub {
  font-family: var(--font-mono);
  font-size: var(--text-mono-sm);
  color: var(--color-stone);
  letter-spacing: 0.04em;
  margin-top: 2px;
}

.sidebar-nav-section {
  padding: var(--space-md);
}

.sidebar-nav-label {
  font-family: var(--font-body);
  font-size: var(--text-label-sm);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-stone);
  margin-bottom: var(--space-md);
}

.sidebar-nav-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar-nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  color: var(--color-stone);
  text-decoration: none;
  border-bottom: 0;
  font-family: var(--font-body);
  font-size: var(--text-body-sm);
  transition: color var(--dur-fast) var(--ease-out);
}

.sidebar-nav-link svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.sidebar-nav-link:hover {
  color: var(--color-ink);
  opacity: 1;
}

.sidebar-nav-link.active {
  color: var(--color-ink);
  font-weight: 600;
}

.sidebar-nav-footer {
  margin-top: auto;
  padding: var(--space-md);
  border-top: var(--rule-hairline);
  font-family: var(--font-mono);
  font-size: var(--text-mono-sm);
  color: var(--color-stone);
}

.sidebar-nav-footer p {
  font-family: var(--font-body);
  font-size: var(--text-label-sm);
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-stone);
  margin: 0 0 2px;
}

.sidebar-nav-footer span {
  display: block;
  margin-top: 1px;
}

.sidebar-nav-footer .theme-toggle-btn {
  width: 32px;
  height: 32px;
}

/* ============================================================
   Footer
   ============================================================ */

footer {
  padding: 8px var(--space-lg);
  text-align: center;
  font-family: var(--font-mono);
  font-size: var(--text-mono-sm);
  letter-spacing: 0.04em;
  color: var(--color-stone);
  border-top: var(--rule-hairline);
  background: var(--color-surface);
  line-height: 1.55;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 99;
}

body {
  padding-bottom: 50px;
}

@media (max-width: 639px) {
  footer { display: none; }
}

/* ============================================================
   Market data badge (legacy)
   ============================================================ */

.anomaly-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  margin-left: 6px;
  font-size: 10px;
  font-weight: 700;
  color: var(--color-on-ink);
  background: var(--c-up);
  line-height: 1;
  vertical-align: middle;
}

/* ============================================================
   Responsive breakpoints
   ============================================================ */

@media (max-width: 1023px) {
  .chart-grid { grid-template-columns: 1fr; }
  .kpi-row { flex-wrap: wrap; gap: 0; }
  .kpi-card { flex: 1 1 45%; border-bottom: var(--rule-hairline); margin-bottom: 0; }
  .preset-bar { flex-wrap: wrap; }
  .home-grid { grid-template-columns: 1fr; }
  .home-card-wide { grid-column: span 1; }
  .section-banner { margin-top: var(--space-lg); }
  .section-banner-num { font-size: 40px; }
  .theme-toggle-btn {
    width: 40px;
    height: 40px;
  }
  button, a, .btn, .nav-link, .bottom-nav-item, .tab-btn, .heat-cell, .sector-card {
    touch-action: manipulation;
  }
  .glass:hover, .card:hover, .heat-cell:hover, .sector-card:hover {
    background: var(--color-neutral);
  }
}

@media (max-width: 768px) {
  :root {
    --page-padding: 24px;
    --gutter: 16px;
  }

  .l-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .section {
    padding: var(--space-2xl) 0;
  }

  .section__head {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 640px) {
  .glass, .card {
    padding: var(--space-md);
  }
  h1 {
    font-size: var(--text-2xl);
  }
  h2 {
    font-size: var(--text-xl);
  }
  h3 {
    font-size: var(--text-lg);
  }
  table {
    font-size: var(--text-xs);
  }
  table th, table td {
    padding: var(--space-sm);
  }
  .tab-btn {
    padding: var(--space-sm) var(--space-md);
    font-size: var(--text-xs);
    min-height: 44px;
  }
  .kpi-row { gap: 0; }
  .kpi-card { padding: var(--space-sm) var(--space-md); }
  .kpi-value { font-size: 20px; }
  .kpi-label { font-size: 10px; }
  .chart-container { height: 220px; }
  .section-banner { padding: var(--space-md); }
  .section-banner-num { font-size: 32px; }
  .preset-btn { padding: 6px 10px; font-size: 11px; }
  .range-btn { padding: 4px 8px; font-size: 11px; }
  .quick-strip { flex-wrap: wrap; }
  .quick-strip-link { flex: 1 1 calc(50% - 0px); padding: 10px; font-size: 12px; justify-content: center; }
  .responsive-card thead { display: none; }
  .responsive-card tr {
    display: block;
    border: var(--rule-hairline);
    padding: 12px;
    margin-bottom: 10px;
  }
  .responsive-card td {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 5px 0;
    border: none !important;
    font-size: 12px;
  }
  .responsive-card td::before {
    content: attr(data-label);
    font-weight: 600;
    color: var(--color-stone);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    flex-shrink: 0;
    margin-right: 8px;
  }
}

@media (max-width: 400px) {
  .bottom-nav-item:not(.active) .bottom-nav-label { display: none; }
  .bottom-nav-item .bottom-nav-icon { margin: 0; }
  h1 { font-size: var(--text-xl); }
  h2 { font-size: var(--text-lg); }
  .chart-container { height: 160px; }
  .chart-main { height: 200px; }
  .chart-sub { height: 200px; }
  .kpi-card { flex: 1 1 100%; }
  .kpi-value { font-size: 16px; }
  .quick-strip-link { flex: 1 1 100%; }
}

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

@media (max-width: 1023px) {
  button:active, .btn:active, .bottom-nav-item:active, .heat-cell:active, .sector-card:active {
    opacity: 0.7;
    transition: opacity 80ms ease;
  }
  .touch-enhanced-min {
    min-width: 44px;
    min-height: 44px;
  }
  html {
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
  }
  main {
    padding-left: max(var(--space-md), env(safe-area-inset-left));
    padding-right: max(var(--space-md), env(safe-area-inset-right));
  }
  .table-scroll {
    -webkit-overflow-scrolling: touch;
  }
  .btn {
    min-height: 44px;
    min-width: 44px;
  }
  .nav-link {
    min-height: 44px;
  }
}

@media (hover: none) and (pointer: coarse) {
  .tab-btn, .preset-btn, .range-btn, .quick-strip-link,
  .bottom-nav-item, button, .sector-chip, .chart-group-summary {
    -webkit-tap-highlight-color: transparent;
  }
  .tab-btn:active, .preset-btn:active, .range-btn:active,
  .sector-chip:active, button:active {
    opacity: 0.7;
    transition: opacity 60ms;
  }
}

@supports (padding: max(0px)) {
  body {
    padding-left: max(0px, env(safe-area-inset-left));
    padding-right: max(0px, env(safe-area-inset-right));
  }
  footer {
    padding-bottom: max(var(--space-4), env(safe-area-inset-bottom));
  }
}

/* ============================================================
   Print
   ============================================================ */

@media print {
  .sidebar-nav, .bottom-nav, nav, footer,
  .pagination, .collapsible-header, .theme-toggle-btn {
    display: none;
  }
  body { padding-bottom: 0; }
}

/* ============================================================
   Utility classes
   ============================================================ */

/* Screen reader */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}
.sr-only:focus {
  position: static;
  width: auto;
  height: auto;
  padding: inherit;
  margin: inherit;
  overflow: visible;
  clip: auto;
  white-space: normal;
}

/* Text alignment */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

/* Color utilities */
.text-up { color: var(--c-up); }
.text-down { color: var(--c-down); }
.text-accent { color: var(--color-signal); }
.text-muted { color: var(--color-stone); }
.text-warning { color: var(--c-warning); }
.text-error { color: var(--c-up); }
.text-mono { font-family: var(--font-mono); }
.text-sm { font-size: var(--text-sm); }
.text-xs { font-size: var(--text-xs); }
.text-bold { font-weight: 600; }

.bg-accent { background: var(--color-neutral); }
.bg-up { background: var(--c-up-bg); }
.bg-down { background: var(--c-down-bg); }

/* Display */
.grid { display: grid; }
.flex { display: flex; }
.block { display: block; }
.inline-block { display: inline-block; }
.inline-flex { display: inline-flex; }
.hidden { display: none; }
.overflow-x-auto { overflow-x: auto; }
.overflow-y-auto { overflow-y: auto; }

/* Flex */
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }

/* Grid columns */
.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
.grid-cols-5 { grid-template-columns: repeat(5, 1fr); }

/* Gaps */
.gap-1\.5 { gap: var(--space-sm); }
.gap-2 { gap: var(--space-sm); }
.gap-3 { gap: var(--space-md); }
.gap-4 { gap: var(--space-md); }
.gap-6 { gap: var(--space-lg); }

/* Padding */
.p-2 { padding: var(--space-sm); }
.p-3 { padding: var(--space-md); }
.p-4 { padding: var(--space-sm); }
.p-6 { padding: var(--space-lg); }
.px-2 { padding-left: var(--space-sm); padding-right: var(--space-sm); }
.px-3 { padding-left: var(--space-md); padding-right: var(--space-md); }
.px-4 { padding-left: var(--space-sm); padding-right: var(--space-sm); }
.py-1 { padding-top: var(--space-xs); padding-bottom: var(--space-xs); }
.py-2 { padding-top: var(--space-sm); padding-bottom: var(--space-sm); }
.py-4 { padding-top: var(--space-sm); padding-bottom: var(--space-sm); }
.py-6 { padding-top: var(--space-lg); padding-bottom: var(--space-lg); }

/* Margin */
.mx-auto { margin-left: auto; margin-right: auto; }
.mb-1 { margin-bottom: var(--space-xs); }
.mb-2 { margin-bottom: var(--space-sm); }
.mb-3 { margin-bottom: var(--space-md); }
.mb-4 { margin-bottom: var(--space-sm); }
.mt-1 { margin-top: var(--space-xs); }
.mt-3 { margin-top: var(--space-md); }
.mt-4 { margin-top: var(--space-sm); }
.ml-1 { margin-left: var(--space-xs); }
.ml-2 { margin-left: var(--space-sm); }
.mr-2 { margin-right: var(--space-sm); }

/* Space */
.space-y-2 > * + * { margin-top: var(--space-sm); }
.space-y-4 > * + * { margin-top: var(--space-sm); }
.space-y-6 > * + * { margin-top: var(--space-lg); }

/* Typography utils */
.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

/* Sizing */
.w-full { width: 100%; }
.min-h-screen { min-height: 100vh; }
.max-w-7xl { max-width: 1280px; }
.align-middle { vertical-align: middle; }
.cursor-pointer { cursor: pointer; }
.whitespace-nowrap { white-space: nowrap; }
.transition-all { transition: all var(--dur-fast) var(--ease-out); }

/* Responsive: sm */
@media (min-width: 640px) {
  .sm\:flex-row { flex-direction: row; }
  .sm\:items-center { align-items: center; }
  .sm\:justify-between { justify-content: space-between; }
  .sm\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
  .sm\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
  .sm\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
  .sm\:grid-cols-5 { grid-template-columns: repeat(5, 1fr); }
  .sm\:gap-3 { gap: var(--space-md); }
  .sm\:gap-6 { gap: var(--space-lg); }
  .sm\:px-6 { padding-left: var(--space-lg); padding-right: var(--space-lg); }
  .sm\:py-8 { padding-top: var(--space-lg); padding-bottom: var(--space-lg); }
  .sm\:col-span-3 { grid-column: span 3 / span 3; }
  .sm\:col-span-5 { grid-column: span 5 / span 5; }
  .sm\:table-cell { display: table-cell; }
  .sm\:text-sm { font-size: var(--text-sm); }
  .sm\:mb-1 { margin-bottom: var(--space-xs); }
}

@media (min-width: 768px) {
  .md\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
  .md\:grid-cols-5 { grid-template-columns: repeat(5, 1fr); }
}

@media (min-width: 1024px) {
  .lg\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
  .lg\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
}

/* Contain paint for perf */
section, .glass, .card, .data-card, .heat-cell {
  contain: content;
}

section:not(:first-of-type) {
  content-visibility: auto;
  contain-intrinsic-size: 200px;
}

/* Responsive table to card layout */
@media (max-width: 400px) {
  #ic-summary-table th:nth-child(5),
  #ic-summary-table td:nth-child(5) { display: none; }
}

/* Legacy references for backwards compatibility */
.range-btn.active { background: var(--color-ink); color: var(--color-on-ink); }
.anomaly-badge { background: var(--c-up); color: var(--color-on-ink); }
.back-link { display: inline-flex; align-items: center; gap: 6px; color: var(--color-stone); font-size: 13px; text-decoration: none; margin-bottom: 14px; border-bottom: 0; }
.back-link:hover { color: var(--color-ink); opacity: 1; }
.back-link svg { width: 14px; height: 14px; }
.breadcrumb { padding: var(--space-sm); border: var(--rule-hairline); margin-bottom: var(--space-md); }
.pagination { display: flex; gap: var(--space-xs); margin: var(--space-md) 0; }
.chart-pair .chart-main, .chart-pair .chart-sub { flex: 1 1 0; min-height: 280px; height: auto; }