/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.container--narrow {
  max-width: 600px;
}

/* Page sections */
.page {
  display: none;
  min-height: calc(100vh - 140px);
  padding: var(--space-xl) 0;
}

.page.active {
  display: block;
}

/* Grid */
.grid {
  display: grid;
  gap: var(--space-lg);
}

.grid--2 { grid-template-columns: 1fr; }
.grid--3 { grid-template-columns: 1fr; }
.grid--4 { grid-template-columns: 1fr 1fr; }
.grid--5 { grid-template-columns: repeat(2, 1fr); gap: var(--space-md); }

/* Flex utilities */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.flex-center { align-items: center; justify-content: center; }
.flex-between { justify-content: space-between; }
.flex-align-center { align-items: center; }
.gap-xs { gap: var(--space-xs); }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }

/* Spacing utilities */
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }

/* Text utilities */
.text-center { text-align: center; }
.text-sm { font-size: var(--font-size-sm); }
.text-xs { font-size: var(--font-size-xs); }
.text-lg { font-size: var(--font-size-lg); }
.text-muted { color: var(--color-mid); }
.text-gray { color: var(--color-gray); }
.font-bold { font-weight: 700; }

/* Section title */
.section-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: var(--space-lg);
}

/* Horizontal scroll container (mobile) */
.scroll-x {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.scroll-x::-webkit-scrollbar { display: none; }

/* Tablet */
@media (min-width: 768px) {
  .grid--2 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
  .grid--4 { grid-template-columns: repeat(4, 1fr); }
  .grid--5 { grid-template-columns: repeat(3, 1fr); }
}

/* Desktop */
@media (min-width: 1024px) {
  .container {
    padding: 0 var(--space-xl);
  }
  .grid--5 { grid-template-columns: repeat(5, 1fr); }
}

/* Notch / home-indicator safe areas (viewport-fit=cover) */
@supports (padding: env(safe-area-inset-left)) {
  body {
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
  }
  .mobile-nav {
    padding-top: env(safe-area-inset-top);
  }
}