/* ==========================================================================
   LAYOUT PRIMITIVES
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 16px;
}
@media (min-width: 768px) { .container { padding-inline: var(--space-lg); } }
@media (min-width: 1024px) { .container { padding-inline: var(--space-xl); } }

.grid { display: grid; gap: var(--gutter); }
.grid-2 { grid-template-columns: repeat(1, 1fr); }
.grid-3 { grid-template-columns: repeat(1, 1fr); }
.grid-4 { grid-template-columns: repeat(2, 1fr); }
@media (min-width: 640px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 768px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: 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); }
.flex-wrap { flex-wrap: wrap; }

.section { padding-block: var(--space-2xl); }
@media (min-width: 1024px) { .section { padding-block: var(--space-3xl); } }
.section-header { max-width: 640px; margin-bottom: var(--space-xl); }
.section-header.center { margin-inline: auto; text-align: center; }
.section-eyebrow {
  display: inline-block;
  color: var(--color-primary);
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

/* Legacy public chrome — never fight the shared home header on live pages. */
body:not(.has-site-chrome) .site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-outline-variant);
}
html[data-theme="dark"] body:not(.has-site-chrome) .site-header { background: var(--chrome-header-bg, rgba(14, 20, 36, .74)); }

body:not(.has-site-chrome) .site-header .container {
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}

.brand { display: flex; align-items: center; gap: var(--space-sm); font-weight: 800; font-family: var(--font-display); font-size: 1.25rem; }
.brand .brand-mark {
  width: 40px; height: 40px; border-radius: var(--radius-md);
  background: var(--color-primary); color: var(--color-on-primary);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800;
}

body:not(.has-site-chrome) .main-nav { display: none; align-items: center; gap: var(--space-lg); }
body:not(.has-site-chrome) .main-nav a { font-weight: 600; font-size: var(--fs-body-md); color: var(--color-on-surface-variant); padding: var(--space-xs) 0; position: relative; }
body:not(.has-site-chrome) .main-nav a:hover, body:not(.has-site-chrome) .main-nav a[aria-current="page"] { color: var(--color-primary); }
@media (min-width: 1024px) { body:not(.has-site-chrome) .main-nav { display: flex; } }

body:not(.has-site-chrome) .header-actions { display: flex; align-items: center; gap: var(--space-sm); }
body:not(.has-site-chrome) .nav-toggle { display: inline-flex; }
@media (min-width: 1024px) { body:not(.has-site-chrome) .nav-toggle { display: none; } }

body:not(.has-site-chrome) .mobile-drawer {
  position: fixed; inset: 0; z-index: var(--z-drawer);
  visibility: hidden; pointer-events: none;
}
body:not(.has-site-chrome) .mobile-drawer[data-open="true"] { visibility: visible; pointer-events: auto; }

body:not(.has-site-chrome) .site-footer { background: var(--color-inverse-surface); color: var(--color-inverse-on-surface); padding-block: var(--space-2xl) var(--space-lg); }
body:not(.has-site-chrome) .site-footer a { color: rgba(238, 240, 255, 0.75); }
body:not(.has-site-chrome) .footer-grid { display: grid; gap: var(--space-xl); grid-template-columns: 1fr; }
@media (min-width: 768px) { body:not(.has-site-chrome) .footer-grid { grid-template-columns: 2fr repeat(3, 1fr); } }

/* ---- Dashboard shell (user + admin) ---- */
.dash-shell { display: flex; min-height: 100vh; background: var(--color-background); }

.dash-sidebar {
  width: 272px; flex-shrink: 0;
  background: var(--color-surface-container-lowest);
  border-right: 1px solid var(--color-outline-variant);
  display: flex; flex-direction: column;
  position: sticky; top: 0; height: 100vh;
  transition: transform var(--duration-slow) var(--ease-standard);
  z-index: var(--z-drawer);
}
.dash-sidebar .sidebar-brand {
  height: 80px; display: flex; align-items: center; padding-inline: var(--space-lg);
  border-bottom: 1px solid var(--color-outline-variant);
}
.dash-sidebar nav { flex: 1; overflow-y: auto; padding: var(--space-md); display: flex; flex-direction: column; gap: var(--space-2xs); }
.dash-nav-link {
  display: flex; align-items: center; gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md); border-radius: var(--radius-md);
  font-weight: 600; color: var(--color-on-surface-variant);
  transition: background var(--duration-fast) var(--ease-standard);
}
.dash-nav-link:hover { background: var(--color-surface-container); color: var(--color-on-surface); }
.dash-nav-link.is-active { background: var(--color-primary-container); color: var(--color-on-primary-container); }
.dash-nav-group-label {
  padding: var(--space-md) var(--space-md) var(--space-2xs);
  font-size: var(--fs-label-md); font-weight: 700; letter-spacing: 0.04em;
  text-transform: uppercase; color: var(--color-on-surface-variant); opacity: 0.7;
}

.dash-main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.dash-topbar {
  height: 80px; flex-shrink: 0; display: flex; align-items: center; justify-content: space-between;
  padding-inline: var(--space-xl); background: var(--color-surface-container-lowest);
  border-bottom: 1px solid var(--color-outline-variant); position: sticky; top: 0; z-index: var(--z-header);
}
.dash-content { padding: var(--space-xl); flex: 1; }
.dash-menu-btn { display: inline-flex; }
@media (min-width: 1024px) { .dash-menu-btn { display: none !important; } }

@media (max-width: 1023px) {
  .dash-sidebar { position: fixed; top: 0; bottom: 0; left: 0; transform: translateX(-100%); }
  .dash-sidebar[data-open="true"] { transform: translateX(0); box-shadow: var(--shadow-2); }
  .dash-content { padding: var(--space-md); }
  .dash-topbar { padding-inline: var(--space-md); }
}

.sidebar-scrim {
  display: none; position: fixed; inset: 0; background: rgba(15, 23, 42, 0.4); z-index: 690;
}
.sidebar-scrim[data-open="true"] { display: block; }