/*
 * Sidebar - Mobile Navigation
 */

.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  z-index: 1040;
  pointer-events: none;
  visibility: hidden;
  transition: visibility var(--transition-base);
}

.sidebar.show {
  visibility: visible;
  pointer-events: auto;
}

.sidebar-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.sidebar.show .sidebar-backdrop {
  opacity: 1;
}

.sidebar-content {
  position: absolute;
  top: 0;
  left: 0;
  width: 280px;
  max-width: 85vw;
  height: 100%;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-primary);
  box-shadow: var(--shadow-xl);
  transform: translateX(-100%);
  transition: transform var(--transition-base);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  /* Account for the bottom navbar so content isn't hidden behind it */
  padding-bottom: 80px;
}

.sidebar.show .sidebar-content {
  transform: translateX(0);
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  padding-top: max(var(--space-4), env(safe-area-inset-top) + var(--space-4));
  border-bottom: 1px solid var(--border-primary);
  background: var(--bg-tertiary);
  min-height: 72px;
}

.sidebar-title {
  margin: 0;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 1.125rem;
}

.sidebar-close {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  line-height: 1;
  padding: var(--space-2);
  cursor: pointer;
  transition: color var(--transition-fast);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
}

.sidebar-close:hover {
  color: var(--text-primary);
  background: var(--bg-elevated);
}

.sidebar-nav {
  flex: 1;
  min-height: 0; /* Critical for flexbox overflow to work */
  overflow-y: auto;
  -webkit-overflow-scrolling: touch; /* Smooth scrolling on iOS */
  overscroll-behavior: contain; /* Prevent scroll chaining to parent/body */
  padding: var(--space-4) 0;
  display: flex;
  flex-direction: column;
}

.sidebar-section {
  padding: 0 var(--space-4);
}

.sidebar-section-bottom {
  margin-top: auto;
  padding-bottom: var(--space-4);
}

.sidebar-divider {
  margin: var(--space-4) var(--space-4);
  border-color: var(--border-primary);
  border-top: none;
  border-bottom: 1px solid var(--border-primary);
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  margin-bottom: var(--space-1);
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  font-size: 0.9375rem;
  font-weight: 500;
  cursor: pointer;
}

.sidebar-link:hover {
  background: var(--bg-elevated);
  color: var(--text-primary);
}

.sidebar-link.active {
  background: var(--bg-surface);
  color: var(--text-primary);
}

.sidebar-link-profile {
  font-weight: 600;
}

.sidebar-coin-count {
  padding: var(--space-2) var(--space-4);
  margin-top: var(--space-2);
  margin-bottom: var(--space-2);
  display: flex;
  justify-content: flex-start;
}

.sidebar-link-icon {
  font-size: 1.25rem;
  width: 24px;
  text-align: center;
  flex-shrink: 0;
}

.sidebar-link-text {
  flex: 1;
}

.sidebar-link-admin {
  color: var(--accent-primary);
}

.sidebar-link-admin:hover {
  background: rgba(59, 130, 246, 0.1);
  color: var(--accent-primary);
}

.sidebar-link-signout {
  color: var(--error);
}

.sidebar-link-signout:hover {
  background: rgba(239, 68, 68, 0.1);
  color: var(--error);
}

.sidebar-signout-form {
  width: 100%;
  margin: 0;
  padding: 0;
}

.sidebar-signout-form .sidebar-link {
  margin-bottom: 0;
}

/* Safe area insets for devices with home indicators */
@supports (padding: max(0px)) {
  .sidebar-content {
    padding-bottom: max(80px, 80px + env(safe-area-inset-bottom));
  }
}

/* Desktop: hide sidebar */
@media (min-width: 992px) {
  .sidebar {
    display: none;
  }
}