/* SplitPie — shared site styles.
   Brand green #2E7D5B, one accent (warm amber), system font stack.
   No external fonts, no frameworks. */

:root {
  --color-bg: #faf9f6;
  --color-surface: #ffffff;
  --color-text: #1a2420;
  --color-text-muted: #57645d;
  --color-border: #e4e2db;
  --color-brand: #2e7d5b;
  --color-brand-dark: #235f45;
  --color-accent: #e08a2c;
  --color-accent-dark: #b8701f;
  --color-danger: #b3402f;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    Helvetica, Arial, sans-serif;

  --space-1: 0.5rem;
  --space-2: 0.75rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2.5rem;
  --space-6: 4rem;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;

  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #14181a;
    --color-surface: #1c2225;
    --color-text: #f2f1ec;
    --color-text-muted: #a3aca5;
    --color-border: #2c3336;
    --color-brand: #4fa580;
    --color-brand-dark: #6cbd99;
    --color-accent: #f0a94d;
    --color-accent-dark: #f5bb6e;
    --color-danger: #e08877;

    color-scheme: dark;
  }
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--color-brand);
}

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

.container {
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

/* Header / brand mark */

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: inherit;
}

.brand-mark {
  flex: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--color-brand);
  display: flex;
  align-items: center;
  justify-content: center;
}

.brand-mark svg,
.brand-mark img {
  width: 26px;
  height: 26px;
  display: block;
}

.brand-name {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

/* Buttons */

.btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  width: 100%;
  padding: 0.9rem 1.25rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.12s ease, opacity 0.12s ease;
  -webkit-tap-highlight-color: transparent;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--color-accent);
  color: #241505;
}

.btn-primary:hover {
  background: var(--color-accent-dark);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn-secondary:hover {
  border-color: var(--color-brand);
  color: var(--color-brand);
}

.btn-row {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

@media (min-width: 420px) {
  .btn-row {
    flex-direction: row;
  }
}

.store-badges {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
}

.store-badges-center {
  justify-content: center;
}

.store-badge {
  display: inline-flex;
  line-height: 0;
  text-decoration: none;
  transition: transform 0.16s cubic-bezier(0.16, 1, 0.3, 1);
}

.store-badge:hover {
  transform: translateY(-2px);
}

.store-badge img {
  height: 40px;
  width: auto;
}

.store-badge-android img {
  height: 58px;
}

/* Utility */

.muted {
  color: var(--color-text-muted);
}

.center {
  text-align: center;
}

.footer {
  padding: var(--space-5) 0 var(--space-6);
  text-align: center;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.footer a {
  color: var(--color-text-muted);
  text-decoration: underline;
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-4);
}