:root {
  /* Color palette */
  --color-bg: #FAFAF9;
  --color-surface: #FFFFFF;
  --color-ink: #111111;
  --color-muted: #737373;
  --color-hair: #ECECEA;
  --color-success: #16A34A;
  --color-focus-ring: #111111;

  /* Typography */
  --font-stack: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "Cascadia Code", "Source Code Pro", Menlo, monospace;
  --font-size-label: 14px;
  --font-size-body: 16px;
  --font-size-heading: 24px;
  --font-weight-regular: 400;
  --font-weight-semi: 600;
  --font-weight-bold: 700;

  /* Spacing scale (multiples of 4) */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;

  /* Layout */
  --content-max-width: 640px;
  --radius: 8px;
  --radius-lg: 12px;
  --tap-min: 44px;
}

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

html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-stack);
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-regular);
  line-height: 1.5;
  color: var(--color-ink);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* Section visibility — router uses [hidden] attribute. Do not override it. */
.screen {
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: var(--space-md);
}

/* ── Picker hero ─────────────────────────────────────────────── */
.picker-hero {
  padding-block: var(--space-lg) var(--space-xs);
  padding-inline: 0;
}
.hero-title {
  font-size: 32px;
  font-weight: var(--font-weight-bold);
  letter-spacing: -0.025em;
  line-height: 1.04;
  margin-block: 0 var(--space-sm);
  color: var(--color-ink);
}
.hero-body {
  font-size: 14.5px;
  color: var(--color-muted);
  line-height: 1.45;
  margin: 0;
  max-width: 32ch;
}

/* ── Site header ────────────────────────────────────────────────── */
.site-header {
  position: sticky;
  inset-block-start: 0;
  z-index: 5;
  background: var(--color-bg);
  border-block-end: 1px solid var(--color-hair);
}
.site-header-inner {
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding-block: var(--space-sm);
  padding-inline: var(--space-md);
  display: flex;
  align-items: center;
}
.header-brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}
.header-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--color-ink);
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: var(--font-weight-bold);
  border-radius: 6px;
  flex-shrink: 0;
}
.header-titles {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.header-wordmark {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: var(--font-weight-bold);
  color: var(--color-ink);
  letter-spacing: 0.08em;
  line-height: 1;
}
.header-dates {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  color: var(--color-muted);
  letter-spacing: 0.04em;
  line-height: 1;
}
.lang-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding-block: 5px;
  padding-inline: var(--space-sm);
  background: var(--color-surface);
  border: 1px solid var(--color-hair);
  border-radius: 20px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: var(--font-weight-bold);
  color: var(--color-ink);
  cursor: pointer;
  letter-spacing: 0.04em;
  flex-shrink: 0;
  margin-inline-start: auto;
}
.lang-pill:hover { background: var(--color-bg); }


/* Focus indicators — non-negotiable (UI-SPEC Accessibility, A11Y-04) */
:focus { outline: none; }
:focus-visible {
  outline: 2px solid var(--color-focus-ring);
  outline-offset: 2px;
}
/* Heading focus from router — visible only when programmatically focused */
h1[tabindex]:focus-visible,
h2[tabindex]:focus-visible {
  outline-offset: 4px;
}

/* Section transitions — instant by design (CONTEXT D-05). No CSS transition. */
/* prefers-reduced-motion: covered by absence of animations */


/* ── Select screen ──────────────────────────────────────────────── */

/* Visually hidden utility */
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0, 0, 0, 0); white-space: nowrap;
  border: 0;
}

/* Skip link — visually hidden until keyboard focused */
.skip-link {
  position: absolute;
  inset-inline-start: 0;
  inset-block-start: 0;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
  z-index: 100;
}
.skip-link:focus {
  width: auto;
  height: auto;
  padding: var(--space-sm) var(--space-md);
  margin: 0;
  overflow: visible;
  clip: auto;
  white-space: normal;
  background: var(--color-ink);
  color: #fff;
  border-radius: 0 0 var(--radius) 0;
  outline: 3px solid var(--color-focus-ring);
  outline-offset: 2px;
}

/* Search input (UI-SPEC Component 3) */
.search-row {
  margin: var(--space-md) 0;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}
.search-input {
  flex: 1;
  min-height: var(--tap-min);
  padding: 0 var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--color-hair);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: var(--font-size-body);
  color: var(--color-ink);
  box-sizing: border-box;
}
.search-input::placeholder { color: var(--color-muted); }
.search-clear {
  background: none;
  border: none;
  padding: 4px;
  cursor: pointer;
  color: var(--color-muted);
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.search-clear[hidden] { display: none; }

/* ── Knockout note ───────────────────────────────────────────── */
.knockout-note {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding-block: var(--space-lg) var(--space-xl);
  padding-inline: 0;
  color: var(--color-muted);
  font-size: 12px;
  line-height: 1.5;
}
.knockout-note svg { flex-shrink: 0; margin-block-start: 1px; }

/* Group section (UI-SPEC Component 2) */
.group-section { margin-block-end: var(--space-lg); }
.group-section[hidden] { display: none; }
.group-header {
  font-size: var(--font-size-label);
  font-weight: var(--font-weight-regular);
  color: var(--color-muted);
  margin: var(--space-lg) 0 var(--space-md) 0;
}
.group-section:first-of-type .group-header { margin-block-start: 0; }

/* Grid + tiles (UI-SPEC Component 1 and 7) */
.group-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
}

.team-tile {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: var(--space-sm);
  min-height: 56px;
  padding-block: 0;
  padding-inline: var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--color-hair);
  border-radius: var(--radius-lg);
  font-family: inherit;
  color: var(--color-ink);
  cursor: pointer;
  text-align: start;
  width: 100%;
}
@media (prefers-reduced-motion: no-preference) {
  .team-tile {
    transition: background-color 80ms ease, color 80ms ease;
  }
}
.team-tile:hover { background: var(--color-bg); }
.team-tile[aria-pressed="true"] {
  background: var(--color-ink);
  color: #FFFFFF;
  border-color: var(--color-ink);
}
.team-tile[aria-pressed="true"]:focus-visible {
  outline: 2px solid #FFFFFF;
  outline-offset: 0;
  box-shadow: 0 0 0 4px var(--color-ink);
}
.team-tile-flag {
  font-size: 22px;
  line-height: 1;
  flex-shrink: 0;
}
.team-tile-name {
  flex: 1;
  font-size: 14px;
  font-weight: var(--font-weight-semi);
  line-height: 1.2;
}
.team-tile-check {
  width: 18px;
  height: 18px;
  display: none;
  font-weight: var(--font-weight-bold);
  font-size: 14px;
  flex-shrink: 0;
}
.team-tile[aria-pressed="true"] .team-tile-check {
  display: block;
  color: #FFFFFF;
}

/* ── Sticky CTA bar ─────────────────────────────────────────────── */
#select { padding-block-end: var(--space-3xl); }
.sticky-bar {
  position: sticky;
  inset-block-end: 0;
  background: var(--color-bg);
  border-block-start: 1px solid var(--color-hair);
  padding-block: var(--space-sm);
  padding-inline: var(--space-md);
  padding-block-end: calc(var(--space-sm) + env(safe-area-inset-bottom, 0px));
  margin-inline: calc(-1 * var(--space-md));
}
.sticky-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: var(--tap-min);
  padding-block: 12px;
  padding-inline: var(--space-md);
  background: var(--color-ink);
  color: #FFFFFF;
  border: none;
  border-radius: var(--radius-lg);
  font-family: inherit;
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-bold);
  cursor: pointer;
  box-shadow: 0 8px 20px rgba(17,17,17,0.18);
}
.sticky-cta:disabled {
  background: var(--color-hair);
  color: var(--color-muted);
  cursor: default;
  box-shadow: none;
}
.cta-left {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}
.cta-badge {
  min-width: 22px;
  padding-block: 3px;
  padding-inline: 7px;
  border-radius: 6px;
  background: rgba(255,255,255,0.2);
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: var(--font-weight-bold);
  text-align: center;
}
.sticky-cta:disabled .cta-badge {
  background: var(--color-surface);
  color: var(--color-muted);
}
.cta-action {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
}
.cta-action[hidden] { display: none; }

/* ── Subscribe bottom sheet ─────────────────────────────────────── */
.subscribe-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
  z-index: 10;
}
.subscribe-backdrop[hidden] { display: none; }

#subscribe {
  position: fixed;
  inset-block-end: 0;
  inset-inline: 0;
  max-height: 85dvh;
  overflow-y: auto;
  background: var(--color-bg);
  border-start-start-radius: 20px;
  border-start-end-radius: 20px;
  z-index: 11;
  padding-block-start: var(--space-sm);
  padding-block-end: calc(var(--space-xl) + env(safe-area-inset-bottom, 0px));
  padding-inline: var(--space-md);
  max-width: none;
  margin: 0;
}

#subscribe::before {
  content: '';
  display: block;
  width: 36px;
  height: 4px;
  background: var(--color-hair);
  border-radius: 2px;
  margin-block-end: var(--space-md);
  margin-inline: auto;
}

@media (prefers-reduced-motion: no-preference) {
  #subscribe:not([hidden]) {
    animation: sheet-slide-up 220ms ease;
  }
}
@keyframes sheet-slide-up {
  from { transform: translateY(100%); }
  to   { transform: translateY(0); }
}

#subscribe h2 {
  font-size: var(--font-size-heading);
  font-weight: var(--font-weight-bold);
  margin-block: 0 var(--space-sm);
  color: var(--color-ink);
}
.subscribe-subhead {
  font-size: var(--font-size-body);
  color: var(--color-muted);
  margin-block: 0 var(--space-xl);
}
.subscribe-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-block-end: var(--space-xl);
}
.subscribe-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 56px;
  padding-inline: var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--color-hair);
  border-radius: var(--radius-lg);
  font-family: inherit;
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-semi);
  color: var(--color-ink);
  cursor: pointer;
  text-decoration: none;
}
.subscribe-btn:hover { background: var(--color-bg); }
.copy-fallback {
  margin-block-end: var(--space-xl);
}
.copy-fallback-input {
  width: 100%;
  min-height: var(--tap-min);
  padding-inline: var(--space-md);
  font-family: inherit;
  font-size: var(--font-size-label);
  background: var(--color-surface);
  border: 1px solid var(--color-hair);
  border-radius: var(--radius);
  color: var(--color-ink);
}
.confirmation {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: var(--space-lg);
  text-align: center;
  margin-block-end: var(--space-xl);
}
.confirmation[hidden] { display: none; }
.confirmation-icon {
  font-size: 24px;
  color: var(--color-success);
  font-weight: var(--font-weight-bold);
  margin-block-end: var(--space-md);
}
.confirmation-heading {
  font-size: var(--font-size-heading);
  font-weight: var(--font-weight-bold);
  margin-block: 0 var(--space-md);
  color: var(--color-ink);
}
.confirmation-body {
  font-size: var(--font-size-body);
  color: var(--color-muted);
  margin: 0;
}
.refine-row { text-align: center; margin-block: var(--space-md) 0; }
.refine-link {
  font-size: var(--font-size-label);
  color: var(--color-ink);
  text-decoration: underline;
  cursor: pointer;
  display: inline-block;
  min-height: var(--tap-min);
  line-height: var(--tap-min);
}

/* About section (static SEO content, always visible below app) */
.about-section {
  border-block-start: 1px solid var(--color-hair);
  padding-block-start: var(--space-xl);
  color: var(--color-muted);
}
.about-section h2 {
  font-size: var(--font-size-heading);
  font-weight: var(--font-weight-bold);
  color: var(--color-ink);
  margin: 0 0 var(--space-md) 0;
}
.about-section h3 {
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-bold);
  color: var(--color-ink);
  margin: var(--space-lg) 0 var(--space-sm) 0;
}
.about-section p,
.about-section li {
  font-size: var(--font-size-body);
  line-height: 1.6;
  margin: 0 0 var(--space-sm) 0;
}
.about-section ol,
.about-section ul {
  padding-inline-start: var(--space-lg);
  margin: 0 0 var(--space-md) 0;
}

/* Site footer */
.site-footer {
  max-width: var(--content-max-width);
  margin: var(--space-xl) auto var(--space-lg);
  padding: var(--space-lg) var(--space-md) 0;
  border-block-start: 1px solid var(--color-hair);
  text-align: center;
  font-size: var(--font-size-label);
  color: var(--color-muted);
}
.site-footer a {
  color: var(--color-ink);
  text-decoration: underline;
}

/* ── Language sheet ──────────────────────────────────────────── */
#lang-sheet {
  position: fixed;
  inset-block-end: 0;
  inset-inline: 0;
  max-height: 70dvh;
  overflow-y: auto;
  background: var(--color-bg);
  border-start-start-radius: 20px;
  border-start-end-radius: 20px;
  z-index: 11;
  padding-block-start: var(--space-sm);
  padding-block-end: calc(var(--space-xl) + env(safe-area-inset-bottom, 0px));
  padding-inline: var(--space-md);
  max-width: none;
  margin: 0;
}
.lang-sheet-handle {
  width: 36px;
  height: 4px;
  background: var(--color-hair);
  border-radius: 2px;
  margin-block-end: var(--space-md);
  margin-inline: auto;
}
.lang-sheet-title {
  font-size: var(--font-size-heading);
  font-weight: var(--font-weight-bold);
  margin-block: 0 var(--space-xs);
  color: var(--color-ink);
}
.lang-sheet-sub {
  font-size: var(--font-size-label);
  color: var(--color-muted);
  margin-block: 0 var(--space-lg);
}
.lang-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}
.lang-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 52px;
  padding-inline: var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--color-hair);
  border-radius: var(--radius-lg);
  font-family: inherit;
  cursor: pointer;
  text-align: start;
}
.lang-option:hover { background: var(--color-bg); }
.lang-option--active {
  background: var(--color-ink);
  border-color: var(--color-ink);
}
.lang-option--active .lang-option-native,
.lang-option--active .lang-option-english { color: #FFFFFF; }
.lang-option-native {
  font-size: 15px;
  font-weight: var(--font-weight-semi);
  color: var(--color-ink);
}
.lang-option-english {
  font-size: 12px;
  color: var(--color-muted);
  font-family: var(--font-mono);
}
@media (prefers-reduced-motion: no-preference) {
  #lang-sheet:not([hidden]) {
    animation: sheet-slide-up 220ms ease;
  }
}