/* Site Navigation - Unified header component for all pages */

.site-nav {
  background-color: #ffffff;
  border-bottom: 1px solid #e0ddd4;
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-nav-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

/* Left section: Logo and title */
.site-nav-left {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex: 1;
}

.site-nav-logo-link {
  display: flex;
  align-items: center;
}

.site-nav-logo {
  width: auto;
  filter: drop-shadow(0 1px 4px rgba(0, 0, 0, 0.1));
}

.site-nav-logo--normal {
  height: 36px;
}

.site-nav-logo--large {
  height: 72px;
  margin: -0.5rem 0;
}

.site-nav-title-container {
  flex: 1;
}

.site-nav-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: #333;
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Center section: Quadrant navigation */
.site-nav-center {
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: visible;
}

.site-nav-quadrant {
  display: grid;
  grid-template-columns: repeat(2, 16px);
  grid-template-rows: repeat(2, 16px);
  gap: 4px;
  overflow: visible;
}

.site-nav-quadrant-box {
  width: 16px;
  height: 16px;
  border: 2px solid #999;
  background-color: transparent;
  transition: all 0.2s ease;
  cursor: pointer;
  position: relative;
}

.site-nav-quadrant-box:hover {
  background-color: #f5f1e8;
  border-color: #c41e3a;
}

/* Instant CSS tooltips */
.site-nav-quadrant-box::after {
  content: attr(data-tooltip);
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background-color: #333;
  color: #fff;
  padding: 0.4rem 0.6rem;
  border-radius: 4px;
  font-size: 0.75rem;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.15s ease, visibility 0.15s ease;
  pointer-events: none;
  z-index: 1000;
}

.site-nav-quadrant-box:hover::after {
  opacity: 1;
  visibility: visible;
}

.site-nav-quadrant-box--active {
  background-color: #c41e3a;
  border-color: #c41e3a;
}

.site-nav-quadrant-box--inactive {
  background-color: transparent;
}

/* Right section: Nav links and prev/next */
.site-nav-right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.site-nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.site-nav-link {
  font-size: 0.95rem;
  color: #666;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
  white-space: nowrap;
}

.site-nav-link:hover {
  color: #333;
}

/* Prev/Next navigation */
.site-nav-prevnext {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.site-nav-button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background-color: #ffffff;
  border: 1px solid #ddd;
  border-radius: 4px;
  color: #333;
  text-decoration: none;
  font-size: 1rem;
  transition: all 0.2s ease;
  cursor: pointer;
}

.site-nav-button:hover {
  background-color: #f5f1e8;
  border-color: #c41e3a;
  color: #c41e3a;
}

.site-nav-button--disabled {
  opacity: 0.3;
  cursor: not-allowed;
  pointer-events: none;
}

/* Responsive adjustments */
@media (max-width: 1024px) {
  .site-nav-content {
    padding: 0 1.5rem;
    gap: 1rem;
  }

  .site-nav-links {
    gap: 1rem;
  }

  .site-nav-link {
    font-size: 0.875rem;
  }
}

@media (max-width: 768px) {
  .site-nav {
    padding: 0.75rem 0;
  }

  .site-nav-content {
    padding: 0 1rem;
    gap: 0.75rem;
  }

  .site-nav-left {
    gap: 1rem;
  }

  .site-nav-logo--normal {
    height: 28px;
  }

  .site-nav-logo--large {
    height: 48px;
    margin: -0.25rem 0;
  }

  .site-nav-title {
    font-size: 0.95rem;
  }

  .site-nav-quadrant {
    grid-template-columns: repeat(2, 12px);
    grid-template-rows: repeat(2, 12px);
    gap: 3px;
  }

  .site-nav-quadrant-box {
    width: 12px;
    height: 12px;
    border-width: 1.5px;
  }

  .site-nav-links {
    gap: 0.75rem;
  }

  .site-nav-link {
    font-size: 0.8rem;
  }

  .site-nav-button {
    width: 28px;
    height: 28px;
    font-size: 0.875rem;
  }
}

@media (max-width: 480px) {
  .site-nav-content {
    gap: 0.5rem;
  }

  .site-nav-left {
    gap: 0.5rem;
  }

  .site-nav-logo--normal {
    height: 24px;
  }

  .site-nav-logo--large {
    height: 36px;
  }

  .site-nav-title-container {
    display: none;
  }

  .site-nav-center {
    display: none;
  }

  .site-nav-links {
    gap: 0.5rem;
  }

  .site-nav-link {
    font-size: 0.75rem;
  }
}