/* ============================================
   TOURVIR — Sidebar Component
   ============================================ */

/* Sidebar Overlay */
.sidebar-overlay {
  position: fixed;
  inset: 0;
  background: var(--overlay);
  z-index: var(--z-overlay);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  backdrop-filter: blur(4px);
}

.sidebar-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* Sidebar Container */
.sidebar {
  position: fixed;
  top: 0;
  width: var(--sidebar-width);
  height: 100dvh;

  /* Enhanced Glassmorphism */
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-right: 1px solid rgba(255, 255, 255, 0.3);
  z-index: var(--z-sidebar);
  transform: translateX(-100%);
  transition: transform var(--transition-spring), background-color var(--transition-base);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  box-shadow: 0 10px 40px -10px rgba(0,0,0,0.15);
}

[data-theme="dark"] .sidebar {
  background: rgba(15, 23, 42, 0.75);
  border-right: 1px solid rgba(255, 255, 255, 0.05);
  box-shadow: 0 10px 40px -10px rgba(0,0,0,0.5);
}

.sidebar.active {
  transform: translateX(0);
}

.sidebar__header {
  padding: var(--space-xl) var(--space-lg);
  padding-top: calc(var(--space-xl) + var(--safe-top));
  border-bottom: 1px solid var(--divider);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sidebar__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: 'Outfit', sans-serif;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--primary);
  text-decoration: none;
}

.sidebar__logo-icon {
  width: 34px;
  height: 34px;
  background: var(--gradient-primary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1rem;
}

.sidebar__close {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-tertiary);
  cursor: pointer;
  transition: all var(--transition-fast);
  background: none;
  border: none;
  font-size: 1.2rem;
}

.sidebar__close:hover {
  background: var(--badge-bg);
  color: var(--primary);
}

/* Sidebar Navigation */
.sidebar__nav {
  flex: 1;
  padding: var(--space-lg);
}

.sidebar__nav-label {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  padding: var(--space-sm) var(--space-md);
  margin-bottom: var(--space-xs);
}

.sidebar__nav-link {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: 0.8rem var(--space-md);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  transition: all var(--transition-fast);
  text-decoration: none;
  position: relative;
  margin-bottom: 4px;
  overflow: hidden;
  opacity: 0;
  transform: translateX(-10px);
}

.sidebar.active .sidebar__nav-link {
  opacity: 1;
  transform: translateX(0);
  transition: opacity var(--motion-base) var(--ease-standard), transform var(--motion-base) var(--ease-standard);
}

.sidebar.active .sidebar__nav-link:nth-child(1) { transition-delay: 100ms; }
.sidebar.active .sidebar__nav-link:nth-child(2) { transition-delay: 150ms; }
.sidebar.active .sidebar__nav-link:nth-child(3) { transition-delay: 200ms; }
.sidebar.active .sidebar__nav-link:nth-child(4) { transition-delay: 250ms; }
.sidebar.active .sidebar__nav-link:nth-child(5) { transition-delay: 300ms; }
.sidebar.active .sidebar__nav-link:nth-child(6) { transition-delay: 350ms; }

.sidebar__nav-link:hover {
  background: var(--badge-bg);
  color: var(--primary);
  transform: translateX(4px) !important;
}

.sidebar__nav-link.active {
  background: var(--badge-bg);
  color: var(--primary);
  font-weight: 600;
}

.sidebar__nav-link.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 60%;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
}

.sidebar__nav-icon {
  font-size: 1.15rem;
  width: 24px;
  text-align: center;
  flex-shrink: 0;
}

.sidebar__divider {
  height: 1px;
  background: var(--divider);
  margin: var(--space-md) 0;
}

/* Theme Switcher in Sidebar */
.sidebar__theme-section {
  padding: var(--space-lg);
  border-top: 1px solid var(--divider);
}

.sidebar__theme-label {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  margin-bottom: var(--space-md);
  padding: 0 var(--space-sm);
}

.sidebar__theme-options {
  display: flex;
  gap: var(--space-sm);
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  padding: 4px;
}

.sidebar__theme-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  background: none;
  white-space: nowrap;
}

.sidebar__theme-btn:hover {
  color: var(--text-primary);
}

.sidebar__theme-btn.active {
  background: var(--surface-solid);
  color: var(--primary);
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

.sidebar__theme-icon {
  font-size: 1rem;
}

/* Sidebar Footer (Social Links) */
.sidebar__footer {
  padding: var(--space-lg);
  border-top: 1px solid var(--divider);
}

.sidebar__social {
  display: flex;
  gap: var(--space-sm);
  justify-content: center;
}

.sidebar__social-link {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--badge-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.sidebar__social-link:hover {
  background: var(--primary);
  color: var(--text-inverse);
  transform: translateY(-2px);
}

.sidebar__copyright {
  text-align: center;
  margin-top: var(--space-md);
  font-size: 0.75rem;
  color: var(--text-tertiary);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 480px) {
  .sidebar {
    width: 100%;
  }
}