/* ==========================================================================
   SupaEdit - Glassmorphism UI & Navigation Layout System
   ========================================================================== */

/* Glass Cards & Containers */
.glass-card {
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.glass-card:hover {
  border-color: var(--glass-border-accent);
}

/* Sidebar Navigation */
.sidebar {
  max-height: calc(100vh - 110px);
  overflow-y: auto;
  padding: 0.75rem;
}

.sidebar::-webkit-scrollbar {
  width: 4px;
}

.sidebar::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 4px;
}

.nav-menu {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.nav-group-title {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  padding: 0.85rem 0.85rem 0.35rem 0.85rem;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  width: 100%;
  text-align: left;
}

.nav-item:hover {
  color: var(--text-primary);
  background: var(--bg-tertiary);
}

.nav-item.active {
  color: var(--text-primary);
  background: var(--bg-tertiary);
  border-color: var(--glass-border-accent);
}

.nav-icon-wrapper {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-xs);
  flex-shrink: 0;
}

.nav-label {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.nav-title {
  font-weight: 600;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.nav-desc {
  font-size: 0.72rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Sidebar Session Stats Card (Compact & Modern Setup) */
.stats-card {
  margin-top: 1.25rem;
  padding: 0.85rem 1rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.stats-header {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.stats-header i {
  width: 14px;
  height: 14px;
  color: #38bdf8;
}

.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem;
}

.stat-box {
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.6rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.15rem;
}

.stat-value {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
}

.stat-label {
  font-size: 0.68rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Main Content & Single Tool Focused Viewport */
.main-content {
  min-width: 0;
  min-height: calc(100vh - 120px);
}

.tab-panel {
  display: none !important;
}

.tab-panel.active {
  display: block !important;
  animation: fadeIn 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}