/* =========================================================================
   Discover Ghana — layout.css
   Structural layout: header, sidebar, portal shell, grids, footer.
   ========================================================================= */

/* ---- Top header (public + portal) ------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  background: var(--white);
  border-bottom: 2px solid var(--primary);
  display: flex;
  align-items: center;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

/* Brand lockup */
.brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-03);
  color: var(--text-primary);
}
.brand:hover { color: var(--text-primary); }
.brand-mark {
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  background: var(--primary);
  display: flex; align-items: center; justify-content: center;
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}
.brand-mark::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg,
      var(--ghana-red)    0 33.33%,
      var(--ghana-yellow) 33.33% 66.66%,
      var(--ghana-green)  66.66% 100%);
  opacity: 0.0;
}
.brand-mark span {
  color: var(--white);
  font-weight: var(--fw-bold);
  font-size: 18px;
  z-index: 1;
}
.brand-star {
  position: absolute;
  width: 12px; height: 12px;
  z-index: 2;
  color: var(--secondary);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-text strong {
  font-size: var(--fs-body);
  font-weight: var(--fw-bold);
}
.brand-text small {
  font-size: 11px;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Header navigation */
.site-nav {
  display: flex;
  align-items: center;
  gap: var(--spacing-05);
}
.site-nav a.nav-link {
  font-size: var(--fs-label);
  font-weight: var(--fw-medium);
  color: var(--text-primary);
  padding: var(--spacing-02) 0;
  position: relative;
}
.site-nav a.nav-link::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 2px;
  background: var(--primary);
  transition: width var(--transition);
}
.site-nav a.nav-link:hover::after { width: 100%; }
.header-actions { display: flex; align-items: center; gap: var(--spacing-03); }

/* Mobile nav toggle */
.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--text-primary);
}

/* ---- Portal shell (sidebar + content) --------------------------------- */
.portal {
  display: flex;
  min-height: calc(100vh - var(--header-h));
}

.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: var(--primary);
  color: var(--text-inverse);
  padding: var(--spacing-05) 0;
  display: flex;
  flex-direction: column;
}
.sidebar-user {
  padding: 0 var(--spacing-05) var(--spacing-05);
  margin-bottom: var(--spacing-04);
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}
.sidebar-user .avatar {
  width: 44px; height: 44px;
  border-radius: 999px;
  background: var(--secondary);
  color: var(--primary-dark);
  display: flex; align-items: center; justify-content: center;
  font-weight: var(--fw-bold);
  font-size: var(--fs-body-lg);
  margin-bottom: var(--spacing-03);
}
.sidebar-user .u-name {
  font-weight: var(--fw-semibold);
  font-size: var(--fs-label);
  color: var(--white);
}
.sidebar-user .u-mail {
  font-size: var(--fs-caption);
  color: rgba(255, 255, 255, 0.7);
  word-break: break-all;
}

.sidebar-group {
  font-size: 11px;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
  padding: var(--spacing-04) var(--spacing-05) var(--spacing-02);
}
.sidebar-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-03);
  padding: var(--spacing-03) var(--spacing-05);
  color: rgba(255, 255, 255, 0.85);
  font-size: var(--fs-label);
  font-weight: var(--fw-medium);
  border-left: 3px solid transparent;
  transition: background var(--transition), color var(--transition),
              border-color var(--transition);
}
.sidebar-link svg { width: 20px; height: 20px; flex-shrink: 0; }
.sidebar-link:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
}
.sidebar-link.is-active {
  background: rgba(255, 255, 255, 0.12);
  color: var(--white);
  border-left-color: var(--secondary);
}
.sidebar-link .lock {
  margin-left: auto;
  width: 14px; height: 14px;
  color: var(--secondary);
}
.sidebar-foot {
  margin-top: auto;
  padding: var(--spacing-05) var(--spacing-05) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}
.sidebar-foot a {
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--fs-label);
  display: flex; align-items: center; gap: var(--spacing-02);
}
.sidebar-foot a:hover { color: var(--white); }

/* Content area */
.content {
  flex: 1;
  min-width: 0;
  background: var(--surface);
  padding: var(--spacing-06);
}
.page-head { margin-bottom: var(--spacing-06); }
.page-head h1 { font-size: var(--fs-h3); }
.page-head .crumbs {
  font-size: var(--fs-caption);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-02);
}
.page-head .crumbs a { color: var(--text-secondary); }
.page-head .crumbs a:hover { color: var(--primary); }

/* ---- Grids ------------------------------------------------------------- */
.grid { display: grid; gap: var(--spacing-05); }
.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-auto {
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
}

/* ---- Footer ------------------------------------------------------------ */
.site-footer {
  background: var(--primary-dark);
  color: rgba(255, 255, 255, 0.8);
  padding: var(--spacing-08) 0 var(--spacing-05);
}
.site-footer .footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-06);
  margin-bottom: var(--spacing-07);
}
.site-footer h5 {
  color: var(--white);
  font-size: var(--fs-label);
  font-weight: var(--fw-semibold);
  margin-bottom: var(--spacing-03);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.site-footer a { color: rgba(255, 255, 255, 0.75); font-size: var(--fs-label); }
.site-footer a:hover { color: var(--secondary); }
.site-footer ul li { margin-bottom: var(--spacing-02); }
.site-footer .footer-brand p {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--fs-label);
  max-width: 320px;
  margin-top: var(--spacing-03);
}
.footer-flag {
  display: flex; height: 6px; width: 64px;
  border-radius: 2px; overflow: hidden;
  margin-top: var(--spacing-04);
}
.footer-flag i { flex: 1; }
.footer-flag i:nth-child(1) { background: var(--ghana-red); }
.footer-flag i:nth-child(2) { background: var(--ghana-yellow); }
.footer-flag i:nth-child(3) { background: var(--ghana-green); }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: var(--spacing-05);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--spacing-03);
  font-size: var(--fs-caption);
  color: rgba(255, 255, 255, 0.6);
}

/* ---- Responsive -------------------------------------------------------- */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .site-footer .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
  .nav-toggle { display: flex; align-items: center; justify-content: center; }
  .site-nav {
    position: absolute;
    top: var(--header-h);
    left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--white);
    border-bottom: 2px solid var(--primary);
    padding: var(--spacing-03) var(--spacing-05);
    box-shadow: var(--shadow-md);
    display: none;
  }
  .site-nav.is-open { display: flex; }
  .site-nav a.nav-link { padding: var(--spacing-03) 0; }
  .site-nav .header-actions {
    flex-direction: column;
    align-items: stretch;
    padding-top: var(--spacing-03);
    border-top: 1px solid var(--border);
    margin-top: var(--spacing-02);
  }

  /* Portal becomes stacked */
  .portal { flex-direction: column; }
  .sidebar {
    width: 100%;
    flex-direction: row;
    flex-wrap: wrap;
    padding: var(--spacing-03);
    gap: var(--spacing-02);
  }
  .sidebar-user, .sidebar-group, .sidebar-foot { display: none; }
  .sidebar-link {
    border-left: none;
    border-bottom: 3px solid transparent;
    padding: var(--spacing-02) var(--spacing-03);
    border-radius: var(--radius-sm);
  }
  .sidebar-link span.label { display: none; }
  .sidebar-link.is-active { border-left: none; border-bottom-color: var(--secondary); }
  .content { padding: var(--spacing-05) var(--spacing-04); }
}

@media (max-width: 620px) {
  .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .site-footer .footer-grid { grid-template-columns: 1fr; gap: var(--spacing-05); }
}