/* ── Layout: Sticky Header & Footer ────────────────────────────────────────── */

html {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

body {
  flex: 1;
  display: flex;
  flex-direction: column;
  margin: 0;
}

/* Override Pico CSS default padding on direct children of body */
body > header,
body > footer,
body > main {
  padding-block: 0;
}

/* ── Site Header ───────────────────────────────────────────────────────────── */

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--pico-card-background-color, #fff);
  border-bottom: 1px solid var(--pico-muted-border-color, #e5e5e5);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 1rem;
  max-width: 1200px;
  margin: 0 auto;
}

.header-inner nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.header-inner nav ul {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.header-inner nav a {
  text-decoration: none;
  color: inherit;
}

.header-inner nav strong {
  font-size: 1.25rem;
}

/* ── Main Content ──────────────────────────────────────────────────────────── */

.main-content {
  flex: 1;
  padding: 1.5rem 1rem;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding-bottom: calc(1.5rem + 60px); /* Account for sticky footer */
}

/* ── Site Footer ───────────────────────────────────────────────────────────── */

.site-footer {
  position: sticky;
  bottom: 0;
  z-index: 100;
  background: var(--pico-card-background-color, #fff);
  border-top: 1px solid var(--pico-muted-border-color, #e5e5e5);
  padding: 0.75rem 1rem;
  margin-top: auto;
}

.site-footer .container {
  max-width: 1200px;
  margin: 0 auto;
}

/* ── Mobile Adjustments ────────────────────────────────────────────────────── */

@media (max-width: 767px) {
  .header-inner {
    padding: 0.375rem 0.75rem;
  }

  .header-inner nav ul {
    gap: 0.375rem;
  }

  .main-content {
    padding: 1rem 0.75rem;
    padding-bottom: calc(1rem + 60px);
  }

  .site-footer {
    padding: 0.5rem 0.75rem;
  }
}

/* ── Checkout Link in Header ───────────────────────────────────────────────── */

.checkout-link {
  white-space: nowrap;
}

@media (max-width: 480px) {
  .checkout-link {
    padding: 0.25rem 0.5rem;
    font-size: 0.8125rem;
  }

  .checkout-link .cart-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 1.125rem;
    height: 1.125rem;
    padding: 0 0.3rem;
    background: var(--pico-primary);
    color: var(--pico-primary-inverse);
    border-radius: 9999px;
    font-size: 0.65rem;
    font-weight: 600;
  }
}

/* ── Utility Classes ───────────────────────────────────────────────────────── */

.hidden {
  display: none !important;
}

.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;
}