/* Onym site theme — tokens from the Onym design system (design-system/src/tokens.css,
   itself mirroring OnymTokens/OnymAccent in onym-ios). Single source of truth for
   every page. Dark is the default; html[data-theme="light"] switches; with no
   explicit choice (no data-theme attribute) the OS preference wins. */

:root {
  /* surfaces */
  --on-bg: #000000;
  --on-surface: #0e0e10;
  --on-surface2: #17171a;
  --on-surface3: #1f1f23;
  /* text */
  --on-text: #f2f2f4;
  --on-text2: rgba(242, 242, 244, 0.62);
  --on-text3: rgba(242, 242, 244, 0.4);
  /* hairlines */
  --on-hairline: rgba(255, 255, 255, 0.07);
  --on-hairline-strong: rgba(255, 255, 255, 0.12);
  /* semantic */
  --on-blue: #3fa8ff;
  --on-green: #34c759;
  --on-red: #ff453a;
  --on-on-accent: #000000;
  /* identity accents */
  --on-accent-orange: #ff7a45;
  --on-accent-blue: #3fa8ff;
  --on-accent-green: #3dd66e;
  --on-accent-purple: #b278ff;
  --on-accent-pink: #ff4d6d;
  --on-accent-yellow: #ffc93c;
  /* liquid glass */
  --on-glass: rgba(58, 58, 62, 0.48);
  --on-glass-bd: rgba(255, 255, 255, 0.13);
  --on-glass-hi: rgba(255, 255, 255, 0.12);
  --on-glass-shadow: 0 12px 34px -8px rgba(0, 0, 0, 0.65);
  /* shape + type */
  --on-radius-card: 14px;
  --on-radius-field: 12px;
  --on-radius-pill: 999px;
  --on-font: -apple-system, BlinkMacSystemFont, system-ui, "Helvetica Neue", sans-serif;
  --on-font-mono: ui-monospace, SFMono-Regular, Menlo, monospace;

  /* legacy aliases used by page-local styles */
  --bg: var(--on-surface);
  --fg: var(--on-text);
  --muted: var(--on-text2);
  --hair: var(--on-hairline-strong);
  --card: var(--on-surface2);
  --glass: var(--on-glass);
  --nav-bg: rgba(14, 14, 16, 0.72);
  --shadow: 0 1px 0 rgba(0, 0, 0, 0.4), 0 30px 60px -30px rgba(0, 0, 0, 0.6);
}

.onym-light-tokens {
  --on-bg: #ffffff;
  --on-surface: #f5f5f7;
  --on-surface2: #ffffff;
  --on-surface3: #ebebef;
  --on-text: #0a0a0c;
  --on-text2: rgba(10, 10, 12, 0.62);
  --on-text3: rgba(10, 10, 12, 0.42);
  --on-hairline: rgba(0, 0, 0, 0.06);
  --on-hairline-strong: rgba(0, 0, 0, 0.12);
  --on-blue: #1f86e0;
  --on-green: #1fa84a;
  --on-red: #e5392e;
  --on-on-accent: #ffffff;
  --on-accent-orange: #e85f2a;
  --on-accent-blue: #1f86e0;
  --on-accent-green: #1fa84a;
  --on-accent-purple: #8b4deb;
  --on-accent-pink: #e03253;
  --on-accent-yellow: #d9a400;
  --on-glass: rgba(255, 255, 255, 0.58);
  --on-glass-bd: rgba(255, 255, 255, 0.6);
  --on-glass-hi: rgba(255, 255, 255, 0.9);
  --on-glass-shadow: 0 10px 32px -6px rgba(24, 24, 40, 0.22);
  --nav-bg: rgba(245, 245, 247, 0.72);
  --shadow: 0 1px 2px rgba(10, 10, 12, 0.04), 0 12px 40px -24px rgba(10, 10, 12, 0.18);
}

/* Explicit light choice */
html[data-theme="light"] {
  --on-bg: #ffffff;
  --on-surface: #f5f5f7;
  --on-surface2: #ffffff;
  --on-surface3: #ebebef;
  --on-text: #0a0a0c;
  --on-text2: rgba(10, 10, 12, 0.62);
  --on-text3: rgba(10, 10, 12, 0.42);
  --on-hairline: rgba(0, 0, 0, 0.06);
  --on-hairline-strong: rgba(0, 0, 0, 0.12);
  --on-blue: #1f86e0;
  --on-green: #1fa84a;
  --on-red: #e5392e;
  --on-on-accent: #ffffff;
  --on-accent-orange: #e85f2a;
  --on-accent-blue: #1f86e0;
  --on-accent-green: #1fa84a;
  --on-accent-purple: #8b4deb;
  --on-accent-pink: #e03253;
  --on-accent-yellow: #d9a400;
  --on-glass: rgba(255, 255, 255, 0.58);
  --on-glass-bd: rgba(255, 255, 255, 0.6);
  --on-glass-hi: rgba(255, 255, 255, 0.9);
  --on-glass-shadow: 0 10px 32px -6px rgba(24, 24, 40, 0.22);
  --nav-bg: rgba(245, 245, 247, 0.72);
  --shadow: 0 1px 2px rgba(10, 10, 12, 0.04), 0 12px 40px -24px rgba(10, 10, 12, 0.18);
}

/* No explicit choice: follow the OS */
@media (prefers-color-scheme: light) {
  html:not([data-theme]) {
    --on-bg: #ffffff;
    --on-surface: #f5f5f7;
    --on-surface2: #ffffff;
    --on-surface3: #ebebef;
    --on-text: #0a0a0c;
    --on-text2: rgba(10, 10, 12, 0.62);
    --on-text3: rgba(10, 10, 12, 0.42);
    --on-hairline: rgba(0, 0, 0, 0.06);
    --on-hairline-strong: rgba(0, 0, 0, 0.12);
    --on-blue: #1f86e0;
    --on-green: #1fa84a;
    --on-red: #e5392e;
    --on-on-accent: #ffffff;
    --on-accent-orange: #e85f2a;
    --on-accent-blue: #1f86e0;
    --on-accent-green: #1fa84a;
    --on-accent-purple: #8b4deb;
    --on-accent-pink: #e03253;
    --on-accent-yellow: #d9a400;
    --on-glass: rgba(255, 255, 255, 0.58);
    --on-glass-bd: rgba(255, 255, 255, 0.6);
    --on-glass-hi: rgba(255, 255, 255, 0.9);
    --on-glass-shadow: 0 10px 32px -6px rgba(24, 24, 40, 0.22);
    --nav-bg: rgba(245, 245, 247, 0.72);
    --shadow: 0 1px 2px rgba(10, 10, 12, 0.04), 0 12px 40px -24px rgba(10, 10, 12, 0.18);
  }
}

/* ---------- base ---------- */
html, body { background: var(--on-surface); color: var(--on-text); }
body {
  font-family: var(--on-font);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
.mono { font-family: var(--on-font-mono); }
.muted { color: var(--on-text2); }
.hair { border-color: var(--on-hairline-strong); }
.eyebrow {
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--on-text2);
}
a.link {
  color: var(--on-text);
  text-decoration: underline;
  text-decoration-color: var(--on-hairline-strong);
  text-underline-offset: 3px;
  transition: text-decoration-color 0.15s ease;
}
a.link:hover { text-decoration-color: var(--on-blue); }

/* ---------- glass nav ---------- */
.nav {
  background: var(--nav-bg);
  backdrop-filter: saturate(160%) blur(16px);
  -webkit-backdrop-filter: saturate(160%) blur(16px);
  border-bottom: 1px solid var(--on-hairline);
}

/* ---------- buttons (DS PrimaryButton / TextButton language) ---------- */
.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-height: 44px;
  padding: 0 20px;
  border-radius: var(--on-radius-card);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--on-blue);
  color: var(--on-on-accent);
}
.btn-primary.prominent {
  box-shadow: 0 9px 24px color-mix(in srgb, var(--on-blue) 25%, transparent);
}
.btn-secondary {
  background: transparent;
  color: var(--on-text);
  border-color: var(--on-hairline-strong);
}
.btn-secondary:hover { border-color: var(--on-text3); }

/* ---------- cards / chips (DS Card / Chip language) ---------- */
.on-card {
  background: var(--on-surface2);
  border: 1px solid var(--on-hairline);
  border-radius: var(--on-radius-card);
}
.on-chip {
  display: inline-flex;
  align-items: center;
  padding: 3px 6px;
  border-radius: 4px;
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--on-text2);
  background: var(--on-surface3);
}
.on-chip.blue { color: var(--on-blue); background: color-mix(in srgb, var(--on-blue) 14%, transparent); }
.on-chip.green { color: var(--on-green); background: color-mix(in srgb, var(--on-green) 14%, transparent); }
.on-chip.red { color: var(--on-red); background: color-mix(in srgb, var(--on-red) 14%, transparent); }

/* ---------- theme toggle (Liquid Glass capsule) ---------- */
.toggle {
  position: fixed;
  bottom: 18px;
  right: 18px;
  z-index: 60;
  display: flex;
  gap: 2px;
  padding: 4px;
  border-radius: var(--on-radius-pill);
  background: var(--on-glass);
  border: 0.5px solid var(--on-glass-bd);
  box-shadow: var(--on-glass-shadow), inset 0 1px 0 var(--on-glass-hi);
  backdrop-filter: blur(20px) saturate(1.6);
  -webkit-backdrop-filter: blur(20px) saturate(1.6);
}
.toggle button {
  font-family: inherit;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.04em;
  padding: 7px 12px;
  border-radius: var(--on-radius-pill);
  border: 0;
  background: none;
  color: var(--on-text2);
  cursor: pointer;
}
.toggle button[aria-pressed="true"] {
  background: color-mix(in srgb, var(--on-text) 13%, transparent);
  color: var(--on-blue);
  box-shadow: inset 0 1px 0 var(--on-glass-hi);
}