/* ============================================================================
 * Odahl — Navigation
 * Top nav, mobile nav, breadcrumbs, tabs, pagination, footer.
 * Requires tokens.css.
 * ============================================================================ */

/* ── Top nav ───────────────────────────────────────────────────────── */
.odahl-nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.1rem 2rem; background: var(--bone);
  border-bottom: 1px solid var(--seam);
  position: sticky; top: 0; z-index: var(--z-sticky);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  background: rgba(240, 233, 208, 0.92);
}
.odahl-nav-mark {
  display: flex; align-items: center; gap: 0.5rem;
  font-family: var(--display); font-style: italic; font-weight: 500;
  font-size: 1.3rem; letter-spacing: -0.018em;
  color: var(--ink); text-decoration: none;
}
.odahl-nav-mark .glyph {
  display: inline-block; width: 1.2em; height: 1.2em;
  background: radial-gradient(circle at 0 50%,
    var(--aether-deep) 0 50%, transparent 50.5% 100%);
  border: 1px solid var(--aether-deep); border-radius: 50%;
}
.odahl-nav-links {
  display: flex; gap: 0.4rem;
}
.odahl-nav-links a {
  padding: 0.5rem 0.9rem;
  font-family: var(--body); font-size: 0.92rem;
  color: var(--ink-soft); text-decoration: none;
  position: relative;
  transition: color var(--speed-quick) var(--ease-out);
}
.odahl-nav-links a:hover { color: var(--ink); }
.odahl-nav-links a[aria-current="page"] {
  color: var(--ink); font-weight: 500;
}
.odahl-nav-links a[aria-current="page"]::after {
  content: ''; position: absolute; left: 0.9rem; right: 0.9rem; bottom: 0;
  height: 1px; background: var(--aether-deep);
}
.odahl-nav-actions {
  display: flex; gap: 0.5rem; align-items: center;
}

/* ── Mobile nav: hamburger toggle ───────────────────────────────────── */
.odahl-nav-toggle {
  display: none; background: transparent; border: 0; cursor: pointer;
  padding: 0.5rem; color: var(--ink);
}
.odahl-nav-toggle svg { width: 24px; height: 24px; display: block; }
@media (max-width: 768px) {
  .odahl-nav-toggle { display: block; }
  .odahl-nav-links {
    position: fixed; top: 60px; left: 0; right: 0;
    background: var(--bone-warm); border-bottom: 1px solid var(--seam);
    flex-direction: column; padding: var(--gap-sm);
    transform: translateY(-100%); opacity: 0; pointer-events: none;
    transition: all var(--speed-smooth) var(--ease-out);
  }
  .odahl-nav[data-mobile-open="true"] .odahl-nav-links {
    transform: translateY(0); opacity: 1; pointer-events: auto;
  }
}

/* ── Breadcrumbs: chain of links separated by em-dashes ────────────── */
.odahl-breadcrumbs {
  display: flex; align-items: center; gap: 0.4rem;
  font-family: var(--display); font-style: italic;
  font-size: 0.92rem; color: var(--ink-mute);
  padding: var(--gap-sm) 0; flex-wrap: wrap;
}
.odahl-breadcrumbs a {
  color: var(--ink-soft); text-decoration: none;
  transition: color var(--speed-quick) var(--ease-out);
}
.odahl-breadcrumbs a:hover { color: var(--aether-deep); }
.odahl-breadcrumbs li {
  list-style: none; display: inline-flex; align-items: center; gap: 0.4rem;
}
.odahl-breadcrumbs li:not(:last-child)::after {
  content: '—'; color: var(--ink-mute); margin-left: 0.4rem;
}
.odahl-breadcrumbs li:last-child { color: var(--ink); }

/* ── Tabs: hairline rule below, active tab marked with rule ─────────── */
.odahl-tabs {
  display: flex; gap: 0; border-bottom: 1px solid var(--seam);
  margin-bottom: var(--gap);
}
.odahl-tab {
  background: transparent; border: 0; cursor: pointer;
  padding: 0.8rem 1.2rem; position: relative;
  font-family: var(--display); font-style: italic;
  font-size: 0.95rem; color: var(--ink-mute);
  transition: color var(--speed-quick) var(--ease-out);
}
.odahl-tab:hover { color: var(--ink-soft); }
.odahl-tab[aria-selected="true"] { color: var(--ink); font-weight: 500; }
.odahl-tab[aria-selected="true"]::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -1px;
  height: 2px; background: var(--aether-deep);
  animation: tab-rule-in var(--speed-standard) var(--ease-out);
}
@keyframes tab-rule-in { from { transform: scaleX(0); } to { transform: scaleX(1); } }

.odahl-tab-panel {
  animation: tab-panel-in var(--speed-standard) var(--ease-out);
}
@keyframes tab-panel-in { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: translateY(0); } }

/* ── Pagination: editorial number row with prev/next ────────────────── */
.odahl-pagination {
  display: flex; align-items: center; gap: 0.3rem;
  font-family: var(--mono); font-variant-numeric: tabular-nums;
}
.odahl-pagination button, .odahl-pagination a {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 36px; height: 36px; padding: 0 0.5rem;
  background: transparent; border: 1px solid transparent; cursor: pointer;
  font-family: inherit; font-size: 0.88rem; color: var(--ink-soft);
  text-decoration: none;
  transition: all var(--speed-quick) var(--ease-out);
}
.odahl-pagination button:hover, .odahl-pagination a:hover {
  border-color: var(--seam); color: var(--ink);
}
.odahl-pagination [aria-current="page"] {
  border-color: var(--aether-deep); color: var(--ink); background: var(--aether-trace);
}
.odahl-pagination [aria-disabled="true"] { opacity: 0.4; pointer-events: none; }

/* ── Footer ────────────────────────────────────────────────────────── */
.odahl-footer {
  background: var(--bone-deep); border-top: 1px solid var(--seam);
  padding: var(--gap-xl) 2rem var(--gap-lg);
  margin-top: var(--gap-xxl);
}
.odahl-footer-grid {
  display: grid; grid-template-columns: 1.5fr repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--gap); margin-bottom: var(--gap-lg);
  max-width: 1200px; margin-left: auto; margin-right: auto;
}
.odahl-footer-col h4 {
  font-family: var(--display); font-style: italic; font-size: 0.85rem;
  color: var(--ink-mute); letter-spacing: 0.06em; text-transform: uppercase;
  margin-bottom: 0.7rem; font-weight: 400;
}
.odahl-footer-col a {
  display: block; padding: 0.3rem 0;
  font-family: var(--body); font-size: 0.88rem; color: var(--ink-soft);
  text-decoration: none;
  transition: color var(--speed-quick) var(--ease-out);
}
.odahl-footer-col a:hover { color: var(--aether-deep); }
.odahl-footer-bar {
  padding-top: var(--gap-sm); border-top: 1px solid var(--seam);
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 0.5rem;
  font-family: var(--mono); font-size: var(--type-fineprint);
  color: var(--ink-mute); letter-spacing: 0.04em;
  max-width: 1200px; margin: 0 auto;
}

/* ── Side nav (used in /account, /settings, etc.) ──────────────────── */
.odahl-sidenav {
  display: flex; flex-direction: column; gap: 0.1rem;
}
.odahl-sidenav-section {
  font-family: var(--display); font-style: italic; font-size: 0.78rem;
  color: var(--ink-mute); letter-spacing: 0.06em;
  padding: var(--gap-sm) 0.8rem 0.4rem;
}
.odahl-sidenav a {
  padding: 0.55rem 0.8rem;
  font-family: var(--body); font-size: 0.92rem;
  color: var(--ink-soft); text-decoration: none;
  border-left: 2px solid transparent;
  transition: all var(--speed-quick) var(--ease-out);
}
.odahl-sidenav a:hover { color: var(--ink); background: var(--bone-warm); }
.odahl-sidenav a[aria-current="page"] {
  color: var(--ink); border-left-color: var(--aether-deep);
  background: var(--aether-trace); font-weight: 500;
}

/* ── Skip link (accessibility) ──────────────────────────────────────── */
.odahl-skip-link {
  position: absolute; left: 1rem; top: 1rem;
  background: var(--ink); color: var(--bone);
  padding: 0.5rem 1rem;
  font-family: var(--body); font-size: 0.92rem;
  text-decoration: none; z-index: 9999;
  transform: translateY(-200%);
  transition: transform var(--speed-quick) var(--ease-out);
}
.odahl-skip-link:focus { transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  .odahl-tab[aria-selected="true"]::after, .odahl-tab-panel { animation: none; }
}