/* ============================================================
   UNIFIED TOPBAR — drop-in for every subpage.
   Self-contained, scoped under .uni-topbar to avoid
   collisions with host page styles.
   ============================================================ */

.uni-topbar {
  --tp-paper:    #EBE6DA;
  --tp-paper-2:  #F2EEE3;
  --tp-ink:      #0F0F0F;
  --tp-muted:    #6E6E6E;
  --tp-accent:   #7A1F12;
  --tp-rule:     rgba(15,15,15,.18);

  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--tp-paper) 88%, transparent);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
          backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid var(--tp-rule);
  font-family: 'Inter Tight', system-ui, sans-serif;
  color: var(--tp-ink);
}

.uni-topbar .uni-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 clamp(1rem, 4vw, 2rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 62px;
  position: relative;
}

.uni-topbar .uni-logo {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  text-decoration: none;
  color: var(--tp-ink);
  font-family: 'Inter Tight', sans-serif;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}
.uni-topbar .uni-logo svg { height: 1.3em; width: auto; }

.uni-topbar .uni-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.uni-topbar .uni-nav-links {
  display: flex;
  align-items: center;
  gap: 1.6rem;
}

.uni-topbar .uni-nav-links a {
  color: var(--tp-ink);
  text-decoration: none;
  font-size: .9375rem;
  letter-spacing: -0.005em;
  font-weight: 400;
  transition: color .15s ease;
  position: relative;
}
.uni-topbar .uni-nav-links a:hover { color: var(--tp-accent); }
.uni-topbar .uni-nav-links a[aria-current="page"] {
  color: var(--tp-accent);
  font-weight: 500;
}
.uni-topbar .uni-nav-links a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -22px;
  height: 2px;
  background: var(--tp-accent);
}

.uni-lang {
  display: inline-flex;
  align-items: center;
  gap: 0;
  border: 1px solid var(--tp-rule, rgba(15,15,15,.18));
  border-radius: 999px;
  padding: 2px;
  background: color-mix(in srgb, var(--tp-paper-2, #F2EEE3) 80%, transparent);
}
.uni-lang-btn {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: .35rem .6rem;
  background: transparent;
  border: 0;
  color: var(--tp-muted, #6E6E6E);
  cursor: pointer;
  border-radius: 999px;
  transition: background .15s ease, color .15s ease;
}
.uni-lang-btn:hover { color: var(--tp-ink, #0F0F0F); }
.uni-lang-btn.active {
  background: var(--tp-ink, #0F0F0F);
  color: var(--tp-paper, #EBE6DA);
}

.uni-topbar .uni-cta-book {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  background: var(--tp-ink);
  color: var(--tp-paper);
  border: 1px solid var(--tp-ink);
  padding: .55rem 1rem;
  border-radius: 999px;
  font-size: .875rem;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  text-decoration: none;
  transition: background .15s ease, color .15s ease, border-color .15s ease;
}
.uni-topbar .uni-cta-book:hover {
  background: var(--tp-accent);
  border-color: var(--tp-accent);
  color: var(--tp-paper);
}
.uni-topbar .uni-cta-book::after {
  content: "→";
  font-weight: 600;
}

/* Burger toggle — hidden by default, shown on mobile */
.uni-topbar .uni-toggle {
  display: none;
  width: 44px; height: 44px;
  background: transparent;
  border: 0;
  cursor: pointer;
  padding: 0;
  position: relative;
}
.uni-topbar .uni-toggle-bars {
  position: absolute; left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  width: 22px; height: 16px;
  display: block;
}
.uni-topbar .uni-toggle-bars span {
  position: absolute; left: 0; right: 0;
  height: 1.5px;
  background: var(--tp-ink);
  transition: transform .25s ease, top .2s ease, opacity .15s ease;
}
.uni-topbar .uni-toggle-bars span:nth-child(1) { top: 1px; }
.uni-topbar .uni-toggle-bars span:nth-child(2) { top: 7px; }
.uni-topbar .uni-toggle-bars span:nth-child(3) { top: 13px; }
.uni-topbar .uni-toggle[aria-expanded="true"] .uni-toggle-bars span:nth-child(1) { top: 7px; transform: rotate(45deg); }
.uni-topbar .uni-toggle[aria-expanded="true"] .uni-toggle-bars span:nth-child(2) { opacity: 0; }
.uni-topbar .uni-toggle[aria-expanded="true"] .uni-toggle-bars span:nth-child(3) { top: 7px; transform: rotate(-45deg); }

/* Mobile drawer */
@media (max-width: 900px) {
  .uni-topbar .uni-toggle { display: inline-flex; }
  .uni-topbar .uni-cta-book { display: none; }

  .uni-topbar .uni-nav {
    position: fixed;
    top: 62px; left: 0; right: 0;
    z-index: 49;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--tp-paper);
    border-bottom: 1px solid var(--tp-rule);
    padding: 1rem clamp(1rem, 4vw, 2rem) 1.5rem;
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
    transition: transform .25s ease, opacity .2s ease, visibility 0s linear .2s;
    box-shadow: 0 24px 32px -16px rgba(0,0,0,.18);
    max-height: 0;
    overflow: hidden;
  }
  .uni-topbar .uni-nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
    visibility: visible;
    max-height: calc(100vh - 62px);
    overflow-y: auto;
    transition: transform .25s ease, opacity .2s ease, visibility 0s linear 0s;
  }

  .uni-topbar .uni-nav-links {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    margin-bottom: 1rem;
  }
  .uni-topbar .uni-nav-links a {
    display: block;
    font-size: 1.05rem;
    padding: .85rem 0;
    border-bottom: 1px solid var(--tp-rule);
  }
  .uni-topbar .uni-nav-links a:last-child { border-bottom: 0; }
  .uni-topbar .uni-nav-links a[aria-current="page"]::after { display: none; }
  .uni-topbar .uni-nav-links a[aria-current="page"] {
    background: color-mix(in srgb, var(--tp-paper-2) 60%, transparent);
    margin: 0 -1rem;
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .uni-topbar .uni-nav .uni-cta-book-mobile {
    display: inline-flex;
    margin-top: 1rem;
    align-self: stretch;
    justify-content: center;
  }
}

@media (min-width: 901px) {
  .uni-topbar .uni-cta-book-mobile { display: none; }
}

body.uni-no-scroll { overflow: hidden; }

/* Footer-located lang picker — re-colored for dark footer backgrounds (.site-foot, .sfoot). */
.foot-lang {
  border-color: rgba(245,239,228,.18);
  background: rgba(245,239,228,.04);
  align-self: flex-start;
}
.foot-lang .uni-lang-btn { color: rgba(245,239,228,.55); }
.foot-lang .uni-lang-btn:hover { color: rgba(245,239,228,.95); }
.foot-lang .uni-lang-btn.active {
  background: rgba(245,239,228,.92);
  color: #0F0F0F;
}