:root {
  /* Surfaces — soft blue-tinted background, pure white cards */
  --bg: #e9edf5;
  --surface: #ffffff;
  --surface-2: #f4f6fb;
  --surface-hover: #eef2fa;

  /* Text */
  --text-primary: #0f172a;
  --text-secondary: #6b7a90;
  --text-2: #475569;

  /* Dividers */
  --divider: rgba(15, 23, 42, 0.06);
  --divider-strong: rgba(15, 23, 42, 0.1);

  /* Primary accent — vibrant mobile-app blue */
  --accent: #2f6bff;
  --accent-strong: #1e4dd8;
  --accent-soft: rgba(47, 107, 255, 0.10);
  --accent-dim: rgba(47, 107, 255, 0.20);

  /* Brand variations */
  --brand-teal: #10b981;
  --brand-teal-soft: rgba(16, 185, 129, 0.12);
  --brand-teal-dim: rgba(16, 185, 129, 0.22);

  /* Warm / run */
  --run-warm: #ef4444;
  --run-warm-bg: rgba(239, 68, 68, 0.10);
  --run: var(--run-warm);
  --run-bg: var(--run-warm-bg);

  /* Buttons */
  --button-dark: #0f172a;
  --button-text: #ffffff;
  --focus-ring: var(--accent);

  /* Semantic */
  --danger: #ef4444;

  --schedule-run-bg: var(--run-warm-bg);
  --hyrox-bg: var(--accent-soft);
  --race-bg: rgba(239, 68, 68, 0.05);

  /* Layout */
  --page-pad-x: max(1.25rem, env(safe-area-inset-left));
  --page-pad-x-right: max(1.25rem, env(safe-area-inset-right));

  /* Radii — more generous, mobile-app-like */
  --radius: 22px;
  --radius-sm: 16px;
  --radius-xs: 10px;

  /* Shadows — slightly softer & bluer to sit on the tinted bg */
  --shadow-xs: 0 2px 6px rgba(30, 64, 175, 0.05);
  --shadow-sm: 0 4px 14px rgba(30, 64, 175, 0.06), 0 1px 3px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 12px 32px rgba(30, 64, 175, 0.08), 0 2px 8px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 20px 48px rgba(30, 64, 175, 0.10), 0 4px 12px rgba(15, 23, 42, 0.05);

  --font: "Inter", system-ui, -apple-system, sans-serif;

  --text: var(--text-primary);
  --muted: var(--text-secondary);
  --card: var(--surface);
  --border: var(--divider);

  --skeleton-base: #e5ebf5;
  --skeleton-shine: #f3f6fb;
  --toast-bg: #0f172a;
  --toast-text: #f9fafb;
}

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-bottom: 1.5rem;
  padding: 0.4rem 0.7rem 0.4rem 0.5rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--surface);
  border-radius: 99px;
  text-decoration: none;
  box-shadow: var(--shadow-xs);
  -webkit-tap-highlight-color: transparent;
  transition: color 0.12s ease, box-shadow 0.15s ease, transform 0.12s ease;
}

a.back-link::before {
  content: "\2190";
  font-size: 0.95em;
}

a.back-link:active {
  transform: scale(0.96);
}