/* COSYgames Navigation Bar CSS */

.cg-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.5rem;
  background: var(--surface-color, var(--warm-white, #FFFEFB));
  border-bottom: 1px solid var(--border, rgba(74, 107, 80, 0.12));
  box-shadow: var(--shadow-sm, 0 2px 12px rgba(0, 0, 0, 0.05));
  transition: all var(--motion-duration-med, 300ms) ease;
  min-width: 0;
}

.cg-nav-brand {
  font-family: var(--font-serif, 'Fraunces', Georgia, serif);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text-color, var(--ink, #2a2a2a));
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  white-space: nowrap;
}

.cg-nav-brand:hover {
  color: var(--game-accent, var(--teal, #416b49));
}

.cg-nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.cg-nav-hub-link {
  font-size: 0.85rem;
  color: var(--ink-muted, #4a4a4a);
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 6px;
  border-radius: var(--radius-sm, 8px);
  transition: color var(--motion-duration-fast, 150ms) ease;
}

.cg-nav-hub-link:hover {
  color: var(--game-accent, var(--teal, #416b49));
}

.cg-theme-btn {
  background: none;
  border: 1px solid transparent;
  font-size: 1.15rem;
  cursor: pointer;
  padding: 6px 10px;
  min-height: 44px;
  min-width: 44px;
  border-radius: var(--r-sm, 8px);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background var(--motion-duration-fast, 150ms) ease;
}

.cg-theme-btn:hover {
  background: var(--sage-mist, rgba(65, 107, 73, 0.1));
}

/* Context Switcher Styling */
.cosy-context-switcher-wrapper {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.cosy-teacher-badge {
  background: transparent;
  border: none;
  font-size: 1.15rem;
  cursor: pointer;
  min-height: 44px;
  min-width: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  border-radius: var(--radius-sm, 8px);
}

.cosy-teacher-badge:focus-visible {
  outline: 2px solid var(--game-accent, var(--teal, #416b49));
  outline-offset: 2px;
}

.cosy-context-select {
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 700;
  padding: 0.35rem 0.65rem;
  border-radius: var(--radius-sm, 10px);
  border: 1px solid var(--border, rgba(0, 0, 0, 0.15));
  background: var(--surface-color, #ffffff);
  color: var(--text-color, #2a2a2a);
  cursor: pointer;
  outline: none;
  transition: all var(--motion-duration-fast, 150ms) ease;
  min-height: 38px;
  max-width: 9rem;
}

.cosy-context-select:hover,
.cosy-context-select:focus-visible {
  border-color: var(--game-accent, var(--teal, #416b49));
  box-shadow: 0 0 0 3px var(--game-accent-dim, rgba(65, 107, 73, 0.15));
}

/* Context-dependent adaptations for Navbar */
html[data-context="projector"] .cg-nav,
[data-context="projector"] .cg-nav {
  padding: 1rem 2rem;
  border-bottom-width: 3px;
}

html[data-context="projector"] .cg-nav-brand,
[data-context="projector"] .cg-nav-brand {
  font-size: 1.4rem;
}

html[data-context="projector"] .cosy-context-select,
[data-context="projector"] .cosy-context-select {
  font-size: 1.05rem;
  padding: 0.5rem 0.85rem;
  min-height: 48px;
}

html[data-context="phone"] .cg-nav,
[data-context="phone"] .cg-nav {
  padding: 0.5rem 1rem;
}

@media (max-width: 640px) {
  .cosy-context-switcher-wrapper {
    display: none;
  }
  .cg-nav-hub-link {
    display: none; /* Hide verbose external links on narrow phones to preserve game area */
  }
  .cg-nav-right {
    gap: 8px;
  }
  .cosy-context-select {
    font-size: 0.78rem;
    padding: 0.25rem 0.4rem;
    max-width: 140px;
  }
}