/* Shared editorial tokens — forest dark + amber gold (toàn site) */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

:root {
  --bg-deep: oklch(13% 0.022 168);
  --bg-base: oklch(17% 0.026 165);
  --bg-raised: oklch(21% 0.028 162);
  --bg-muted: oklch(25% 0.032 160);
  --bg-hover: oklch(29% 0.034 158);

  --text-primary: oklch(96% 0.012 95);
  --text-secondary: oklch(84% 0.018 92);
  --text-muted: oklch(70% 0.022 88);

  --gold: oklch(80% 0.14 88);
  --gold-soft: oklch(72% 0.11 86);
  --terracotta: oklch(58% 0.12 42);
  --terracotta-deep: oklch(52% 0.12 38);
  --success: oklch(68% 0.16 155);
  --danger: oklch(58% 0.16 25);
  --warning: oklch(78% 0.14 68);

  --border: oklch(36% 0.03 165 / 0.5);
  --border-strong: oklch(48% 0.05 165 / 0.55);

  --font-display: 'DM Sans', 'Source Sans 3', system-ui, sans-serif;
  --font-body: 'Source Sans 3', system-ui, sans-serif;

  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-full: 999px;

  --max-w: 72rem;
  --nav-h: 4.25rem;
  --dock-h: 4.25rem;

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-out-quart: cubic-bezier(0.165, 0.84, 0.44, 1);
  --ease-fluid: cubic-bezier(0.32, 0.72, 0, 1);
  --dur-fast: 0.2s;
  --dur-med: 0.45s;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body.store-page {
  font-family: var(--font-body);
  background: var(--bg-deep);
  color: var(--text-primary);
  line-height: 1.65;
  overflow-x: hidden;
  min-height: 100dvh;
  padding-bottom: calc(var(--dock-h) + env(safe-area-inset-bottom, 0px));
}

body.store-page::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(ellipse 80% 55% at 0% -10%, oklch(38% 0.08 165 / 0.35), transparent 55%),
    radial-gradient(ellipse 60% 45% at 100% 0%, oklch(42% 0.1 88 / 0.18), transparent 50%),
    radial-gradient(ellipse 50% 40% at 50% 100%, oklch(32% 0.06 42 / 0.12), transparent 45%),
    linear-gradient(180deg, var(--bg-deep), oklch(15% 0.024 168));
}

body.store-page::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.03;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.bezel-shell {
  display: block;
  padding: 0.3rem;
  border-radius: calc(var(--radius-lg) + 0.3rem);
  background: oklch(14% 0.024 168 / 0.45);
  border: 1px solid oklch(72% 0.1 88 / 0.08);
}

.bezel-core {
  border-radius: var(--radius-lg);
  background: linear-gradient(165deg, oklch(20% 0.028 162), oklch(16% 0.024 168));
  box-shadow: inset 0 1px 0 oklch(72% 0.1 88 / 0.1);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.65rem 1.25rem;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  cursor: pointer;
  transition:
    background var(--dur-med) var(--ease-fluid),
    border-color var(--dur-med) var(--ease-fluid),
    color var(--dur-med) var(--ease-fluid),
    transform var(--dur-fast) var(--ease-fluid),
    box-shadow var(--dur-med) var(--ease-fluid);
}

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

.btn-primary {
  background: linear-gradient(135deg, oklch(58% 0.12 42), oklch(52% 0.12 38));
  color: oklch(98% 0.01 95);
  border-color: oklch(48% 0.12 38 / 0.5);
  box-shadow: 0 6px 20px oklch(42% 0.12 38 / 0.35);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 28px oklch(42% 0.12 38 / 0.45);
}

.btn-secondary {
  background: oklch(72% 0.1 88 / 0.06);
  color: var(--text-primary);
  border-color: oklch(72% 0.1 88 / 0.14);
}

.btn-secondary:hover {
  border-color: oklch(72% 0.1 88 / 0.24);
  color: var(--gold-soft);
  transform: translateY(-1px);
}

.btn-ghost {
  background: oklch(14% 0.024 168 / 0.55);
  color: var(--text-secondary);
  border-color: var(--border);
}

.btn-sm {
  padding: 0.45rem 0.85rem;
  font-size: 0.8125rem;
}

.btn-icon {
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
}

.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;
}