/* ==========================================================================
   Site shell — portfolio layout
   This file is for adamdanielbest.com only. Component and token CSS live in
   their own files; this layer wires them together into a page layout.
   ========================================================================== */

/* --------------------------------------------------------------------------
   Breakpoint tokens
   Not usable in @media queries directly, but readable via JS getComputedStyle.
   Raw values are mirrored in src/js/breakpoints.js for media query use in JS.
   -------------------------------------------------------------------------- */
:root {
  --bp-sm:  640px;
  --bp-md:  768px;
  --bp-lg:  1024px;
  --bp-xl:  1280px;
  --bp-2xl: 1536px;
}

/* --------------------------------------------------------------------------
   Body
   -------------------------------------------------------------------------- */
body {
  margin: 0;
  background: var(--background-page);
  color: var(--text-primary);
  font-family: var(--type-family-primary), system-ui, sans-serif;
}

/* --------------------------------------------------------------------------
   Desktop layout: fixed aside (360px) + fluid main
   -------------------------------------------------------------------------- */
.site-aside {
  position: fixed;
  top: 0;
  left: 0;
  width: 360px;
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--background-card);
  border-right: 1px solid var(--border-subtle);
  z-index: 100;
}

/* Header row at the top of the aside */
.site-aside__header {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  height: 48px;
  padding-left: var(--spacing-md);
  border-bottom: 1px solid var(--border-subtle);
  background: var(--background-card);
}

/* Scrollable sidebar body below the header */
.site-aside__body {
  flex: 1;
  overflow-y: auto;
}

/* Collapsed desktop aside — 48px icon-only rail */
.site-aside--collapsed {
  width: 48px;
}

.site-aside--collapsed .site-aside__header {
  padding-left: 0;
  justify-content: center;
}

.site-aside--collapsed .header__logo { display: none; }
.site-aside--collapsed .site-aside__body { display: none; }

/* Collapsed-only icon — pinned to bottom of the 48px rail */
.site-aside__collapsed-icon {
  display: none;
}

.site-aside--collapsed .site-aside__collapsed-icon {
  display: flex;
  justify-content: center;
  padding: var(--spacing-sm) 0;
  margin-top: auto;
  flex-shrink: 0;
}

/* Strip demo-only constraints from sidebar inside site context */
.site-aside .sidebar-demo {
  pointer-events: auto;
  width: auto;
  border: none;
}

.site-aside .sidebar__inner {
  padding: var(--spacing-md);
}

.site-main {
  margin-left: 360px;
  min-height: 100vh;
}

.site-main--aside-collapsed {
  margin-left: 48px;
}

/* --------------------------------------------------------------------------
   Desktop page-nav — sticky inside site-main, hidden on mobile
   -------------------------------------------------------------------------- */
.site-main__nav {
  position: sticky;
  top: 0;
  height: 48px;
  display: flex;
  align-items: center;
  background: var(--background-card);
  border-bottom: 1px solid var(--border-subtle);
  z-index: 50;
}

.site-main__nav .page-nav {
  width: 100%;
  height: 100%;
  max-width: 1200px;
  margin-inline: auto;
}

/* Strip component padding so the bar is exactly 48px, matching the header */
.site-main__nav .page-nav { padding: 0 var(--spacing-lg); }

/* Narrow desktop / large tablet (769px–1100px): hide nav link labels so the
   title has room to truncate cleanly, matching the mobile icon-only bar. */
@media (max-width: 1100px) {
  .site-main__nav .nav-link__label { display: none; }
  .site-main__nav .page-nav__link  { width: 48px; justify-content: center; }
  .site-main__nav .page-nav        { padding: 0 var(--spacing-sm); }
  /* prev+next is 2×48px=96px on the right, back is 48px on the left.
     Centering requires 2× the larger side: 2×96=192px, plus buffer. */
  .site-main__nav .page-nav__title { max-width: calc(100% - 224px); }
}


/* --------------------------------------------------------------------------
   Centered content container inside site-main
   -------------------------------------------------------------------------- */
.site-main__content {
  /* No max-width here — card-grid controls its own centering */
}

/* Mobile/tablet chrome hidden on desktop */
.site-header     { display: none; }
.site-page-nav   { display: none; }
.site-drawer     { display: none; }

/* --------------------------------------------------------------------------
   Mobile / tablet layout (≤768px)
   Aside hidden, sticky header + page-nav bar, drawer overlay
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
  .site-aside { display: none; }
  .site-main__nav { display: none; }
  .site-main__content { max-width: none; margin-inline: 0; }

  .site-header {
    display: flex;
    align-items: center;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 48px;
    padding-left: var(--spacing-sm);
    background: var(--background-card);
    border-bottom: 1px solid var(--border-subtle);
    z-index: 100;
  }

  .site-page-nav {
    display: block;
    position: fixed;
    top: 48px;
    left: 0;
    right: 0;
    background: var(--background-card);
    border-bottom: 1px solid var(--border-subtle);
    z-index: 99;
  }

  .site-page-nav .page-nav { padding: 0; }

  .site-main {
    margin-left: 0;
    padding-top: 96px; /* 48px header + 48px page-nav */
  }

  /* Drawer — sidebar overlay below the fixed header */
  .site-drawer {
    position: fixed;
    top: 48px;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 200;
    background: var(--background-card);
    overflow-y: auto;
    transform: translateX(-100%);
    transition: transform 0.25s ease;
  }

  .site-drawer--open {
    display: block;
    transform: translateX(0);
  }

  body.drawer-open {
    overflow: hidden;
  }

  /* Strip demo-only constraints from sidebar inside drawer */
  .site-drawer .sidebar-demo {
    pointer-events: auto;
    width: auto;
    border: none;
    max-width: none;
    padding: 0;
  }

  .site-drawer .sidebar__inner {
    padding: var(--spacing-md) var(--spacing-sm);
  }
}

/* --------------------------------------------------------------------------
   Work section — homepage card grid
   -------------------------------------------------------------------------- */
.section--work {
  padding: var(--spacing-xl) 0;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-lg);
  padding: 0 var(--spacing-lg) var(--spacing-xl);
  max-width: 1200px;
  margin-inline: auto;
}

/* Sidebar open: stack cards at 992px; collapsed sidebar keeps 2-col until 768px */
@media (max-width: 992px) {
  .site-main:not(.site-main--aside-collapsed) .card-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .section--work {
    padding: var(--spacing-md) 0;
    border-radius: var(--radius-xs);
  }

  .card-grid {
    grid-template-columns: 1fr;
    padding: 0 var(--spacing-sm) var(--spacing-md);
  }
}

/* Enable interactivity on card links */
.card-item {
  pointer-events: auto;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

.card-item:hover {
  box-shadow:
    0px 4px 6px var(--shadow-light-08),
    0px 1px 1.5px var(--shadow-light-06);
}

.card-item:hover .card-item__copy {
  background: var(--background-hover);
}

.card-item:hover .card-item__role {
  color: var(--text-secondary);
}

[data-theme="dark"] .card-item:hover {
  box-shadow:
    0px 4px 6px var(--shadow-dark-28),
    0px 1px 1.5px var(--shadow-dark-24);
}

.card-item:focus-visible {
  outline: var(--border-width-focus) solid var(--border-focus);
  outline-offset: 0;
}

/* --------------------------------------------------------------------------
   Case study page content
   -------------------------------------------------------------------------- */
.case-study-content {
  max-width: 1200px;
  margin-inline: auto;
  padding: var(--spacing-xl) var(--spacing-lg);
}

.case-study-content .case-study-summary {
  margin-top: var(--spacing-xl);
}

.case-study-content .content-section {
  margin-top: var(--spacing-xl);
}

@media (max-width: 768px) {
  .case-study-content {
    padding: var(--spacing-md) var(--spacing-sm);
  }
}

/* --------------------------------------------------------------------------
   Section heading (above card grid)
   -------------------------------------------------------------------------- */
.section-heading {
  margin: 0 0 var(--spacing-md);
  padding: 0 var(--spacing-lg);
  font-family: var(--type-family-semibold), system-ui, sans-serif;
  font-size: var(--type-heading-lg-size);
  font-weight: 400;
  line-height: var(--type-heading-lg-line-height);
  letter-spacing: var(--type-heading-lg-letter-spacing);
  color: var(--text-primary);
  text-box-trim: trim-both;
  text-box-edge: cap alphabetic;
}

@media (max-width: 768px) {
  .section-heading {
    padding: 0 var(--spacing-sm);
  }
}