/**
 * Driver Marketplace Nigeria — Layout Styles
 * Dashboard Shell, Sidebar, Top Bar, Main Content Area
 */

.app-shell {
  display: flex;
  height: 100vh;
  overflow: hidden;
  background: radial-gradient(circle at 80% 10%, rgba(99, 102, 241, 0.08) 0%, transparent 40%),
              radial-gradient(circle at 10% 80%, rgba(16, 185, 129, 0.05) 0%, transparent 40%),
              var(--bg-primary);
}

/* Sidebar */
.sidebar {
  width: var(--sidebar-width);
  height: 100%;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  z-index: 30;
}

.sidebar-header {
  height: var(--header-height);
  padding: 0 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border-bottom: 1px solid var(--border-subtle);
}

.brand-logo {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, #6366f1, #4338ca);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  box-shadow: 0 0 12px rgba(99, 102, 241, 0.4);
}

.brand-text h1 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.brand-text span {
  font-size: 0.7rem;
  color: var(--color-brand);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.sidebar-nav {
  padding: 1.25rem 0.75rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  overflow-y: auto;
}

.nav-section-title {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  font-weight: 700;
  padding: 0.5rem 0.75rem 0.25rem;
  margin-top: 0.5rem;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  border: none;
  background: transparent;
  width: 100%;
  text-align: left;
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.nav-item.active {
  background: linear-gradient(90deg, rgba(99, 102, 241, 0.2), rgba(99, 102, 241, 0.05));
  color: #c7d2fe;
  font-weight: 600;
  border-left: 3px solid var(--color-brand);
}

.nav-item-icon {
  font-size: 1.15rem;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
}

.nav-badge {
  margin-left: auto;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-full);
  background: var(--bg-hover);
  color: var(--text-secondary);
}

.nav-badge.alert {
  background: var(--color-warning-bg);
  color: var(--color-warning);
  border: 1px solid var(--color-warning-border);
}

.sidebar-footer {
  padding: 1rem;
  border-top: 1px solid var(--border-subtle);
  background: rgba(15, 23, 42, 0.5);
}

.client-profile-chip {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.client-avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: #1e293b;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  border: 1px solid var(--border-subtle);
}

.client-info {
  flex: 1;
  overflow: hidden;
}

.client-name {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.client-tier {
  font-size: 0.7rem;
  color: #34d399;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

/* Main Content Area */
.main-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}

/* Header */
.top-header {
  height: var(--header-height);
  background: var(--bg-surface-glass);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.75rem;
  z-index: 20;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.page-title-group h2 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
}

.page-title-group p {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
}

.status-pill.live-ops {
  background: rgba(16, 185, 129, 0.1);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #10b981;
  box-shadow: 0 0 8px #10b981;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

.header-btn {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  position: relative;
  transition: all var(--transition-fast);
}

.header-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: var(--border-medium);
}

.header-btn-badge {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-danger);
  border: 2px solid var(--bg-secondary);
}

/* View Container */
.content-scrollable {
  flex: 1;
  overflow-y: auto;
  padding: 1.75rem;
}

.tab-pane {
  display: none;
  animation: fadeIn 200ms ease-out forwards;
}

.tab-pane.active {
  display: block;
}

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