/* ========================================
   DealrERP - Tennessee Moon Color Scheme
   ======================================== */

/* CSS Variables - Dark Mode (Default) */
:root {
    /* Brand Colors */
    --brand-orange: #FF8200;
    --brand-orange-hover: #E67400;
    --brand-orange-light: rgba(255, 130, 0, 0.1);

    /* Dark Mode Colors (Tennessee Dark Moon) */
    --bg-app: #1F1F1F;
    --bg-card: #161616;
    --bg-elevated: #1A1A1A;
    --bg-hover: #252525;
    --bg-active: #2A2A2A;

    --text-primary: #FFFFFF;
    --text-secondary: #A0A0A0;
    --text-tertiary: #6B6B6B;
    --text-inverse: #111111;

    --border-color: #2A2A2A;
    --border-light: #333333;

    /* Semantic Colors */
    --success: #22C55E;
    --success-bg: rgba(34, 197, 94, 0.1);
    --warning: #F59E0B;
    --warning-bg: rgba(245, 158, 11, 0.1);
    --error: #EF4444;
    --error-bg: rgba(239, 68, 68, 0.1);
    --info: #3B82F6;
    --info-bg: rgba(59, 130, 246, 0.1);

    /* Status Colors */
    --status-available: #22C55E;
    --status-pending: #F59E0B;
    --status-hold: #EF4444;
    --status-sold: #6B7280;

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 11px;
    --font-size-sm: 12px;
    --font-size-base: 14px;
    --font-size-lg: 16px;
    --font-size-xl: 20px;
    --font-size-2xl: 24px;
    --font-size-3xl: 32px;

    /* Layout */
    --top-bar-height: 56px;
    --sidebar-width: 240px;
    --sidebar-collapsed-width: 64px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.4);

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    --radius-xl: 12px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
}

/* Light Mode Variables */
[data-theme="light"] {
    --bg-app: #F2F2F2;
    --bg-card: #FFFFFF;
    --bg-elevated: #FFFFFF;
    --bg-hover: #E8E8E8;
    --bg-active: #DDDDDD;

    --text-primary: #111111;
    --text-secondary: #555555;
    --text-tertiary: #888888;
    --text-inverse: #FFFFFF;

    --border-color: #E0E0E0;
    --border-light: #EEEEEE;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
}

/* ========================================
   Base Styles
   ======================================== */

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 14px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-app);
    color: var(--text-primary);
    line-height: 1.5;
    overflow: hidden;
}

a {
    color: var(--brand-orange);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--brand-orange-hover);
}

/* ========================================
   App Container
   ======================================== */

.app-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    width: 100vw;
    overflow: hidden;
}

/* ========================================
   Top Navigation Bar
   ======================================== */

.top-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--top-bar-height);
    padding: 0 var(--spacing-md);
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    z-index: 100;
    flex-shrink: 0;
}

.top-bar-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.sidebar-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-text {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.logo-badge {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--brand-orange);
    background-color: var(--brand-orange-light);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    letter-spacing: 0.5px;
}

.top-bar-center {
    flex: 1;
    display: flex;
    justify-content: center;
    padding: 0 var(--spacing-xl);
}

.global-search {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    width: 100%;
    max-width: 480px;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--bg-app);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.global-search:focus-within {
    border-color: var(--brand-orange);
    box-shadow: 0 0 0 3px var(--brand-orange-light);
}

.global-search i {
    color: var(--text-tertiary);
    font-size: var(--font-size-lg);
}

.global-search input {
    flex: 1;
    border: none;
    background: transparent;
    color: var(--text-primary);
    font-size: var(--font-size-base);
    outline: none;
}

.global-search input::placeholder {
    color: var(--text-tertiary);
}

.global-search kbd {
    font-family: var(--font-family);
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
    background-color: var(--bg-card);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.top-bar-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.top-bar-btn {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.top-bar-btn:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

.top-bar-btn i {
    font-size: var(--font-size-lg);
}

.top-bar-btn .badge {
    position: absolute;
    top: 4px;
    right: 4px;
    min-width: 16px;
    height: 16px;
    font-size: 10px;
    font-weight: 600;
    color: white;
    background-color: var(--error);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
}

.top-bar-divider {
    width: 1px;
    height: 24px;
    background-color: var(--border-color);
    margin: 0 var(--spacing-sm);
}

.user-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.user-menu:hover {
    background-color: var(--bg-hover);
}

.user-avatar {
    width: 32px;
    height: 32px;
    background-color: var(--brand-orange);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.user-info {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-primary);
}

.user-role {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
}

.user-menu i {
    color: var(--text-tertiary);
    font-size: var(--font-size-base);
}

/* ========================================
   Main Layout
   ======================================== */

.main-layout {
    display: flex;
    flex: 1;
    min-height: 0;
    overflow: hidden;
}

/* ========================================
   Sidebar Navigation
   ======================================== */

.sidebar {
    display: flex;
    flex-direction: column;
    width: var(--sidebar-width);
    background-color: var(--bg-card);
    border-right: 1px solid var(--border-color);
    transition: width var(--transition-slow);
    overflow: hidden;
    flex-shrink: 0;
    min-height: 0;
}

.sidebar.collapsed {
    width: var(--sidebar-collapsed-width);
}

.sidebar.collapsed .nav-section-title,
.sidebar.collapsed .nav-item span,
.sidebar.collapsed .nav-badge,
.sidebar.collapsed .location-selector span {
    opacity: 0;
    width: 0;
    overflow: hidden;
}

.sidebar.collapsed .nav-item {
    justify-content: center;
    padding: var(--spacing-sm);
}

.sidebar.collapsed .location-selector {
    justify-content: center;
    padding: var(--spacing-sm);
}

.sidebar-nav {
    flex: 1;
    padding: var(--spacing-md);
    overflow-y: auto;
}

.nav-section {
    margin-bottom: var(--spacing-lg);
}

.nav-section-title {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--text-tertiary);
    letter-spacing: 0.5px;
    padding: var(--spacing-sm) var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
    white-space: nowrap;
    transition: opacity var(--transition-fast);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-sm);
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    margin-bottom: 2px;
}

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

.nav-item.active {
    background-color: var(--brand-orange-light);
    color: var(--brand-orange);
}

.nav-item i {
    font-size: var(--font-size-lg);
    width: 24px;
    text-align: center;
    flex-shrink: 0;
}

.nav-item span {
    white-space: nowrap;
    transition: opacity var(--transition-fast);
}

.nav-badge {
    margin-left: auto;
    font-size: var(--font-size-xs);
    font-weight: 500;
    color: var(--text-tertiary);
    background-color: var(--bg-hover);
    padding: 2px 8px;
    border-radius: 10px;
    transition: opacity var(--transition-fast);
}

.sidebar-footer {
    padding: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.location-selector {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    margin-top: var(--spacing-sm);
    background-color: var(--bg-hover);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.location-selector:hover {
    background-color: var(--bg-active);
}

.location-selector i:first-child {
    color: var(--brand-orange);
}

.location-selector span {
    flex: 1;
    font-size: var(--font-size-sm);
    white-space: nowrap;
    transition: opacity var(--transition-fast);
}

/* ========================================
   Main Content Area
   ======================================== */

.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
    overflow: hidden;
    background-color: var(--bg-app);
}

/* Page Header */
.page-header {
    padding: var(--spacing-lg) var(--spacing-xl);
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.breadcrumbs {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
    margin-bottom: var(--spacing-sm);
}

.breadcrumbs a {
    color: var(--text-tertiary);
}

.breadcrumbs a:hover {
    color: var(--brand-orange);
}

.breadcrumbs i {
    font-size: var(--font-size-base);
}

.page-title-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.page-title {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--text-primary);
}

.page-actions {
    display: flex;
    gap: var(--spacing-sm);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    font-weight: 500;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn i {
    font-size: var(--font-size-base);
}

.btn-primary {
    background-color: var(--brand-orange);
    color: white;
}

.btn-primary:hover {
    background-color: var(--brand-orange-hover);
}

.btn-secondary {
    background-color: var(--bg-hover);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--bg-active);
}

/* Page Tabs */
.page-tabs {
    display: flex;
    gap: var(--spacing-xs);
    padding: 0 var(--spacing-xl);
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.tab {
    padding: var(--spacing-md) var(--spacing-md);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-secondary);
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.tab.active {
    color: var(--brand-orange);
    border-bottom-color: var(--brand-orange);
}

/* Tab Content */
.tab-content {
    flex: 1;
    min-height: 0;
    padding: var(--spacing-xl);
    overflow-y: auto;
    overflow-x: hidden;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}

.stat-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-xl);
}

.stat-icon.blue {
    background-color: var(--info-bg);
    color: var(--info);
}

.stat-icon.green {
    background-color: var(--success-bg);
    color: var(--success);
}

.stat-icon.orange {
    background-color: var(--brand-orange-light);
    color: var(--brand-orange);
}

.stat-icon.purple {
    background-color: rgba(139, 92, 246, 0.1);
    color: #8B5CF6;
}

.stat-content {
    flex: 1;
}

.stat-value {
    display: block;
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--text-primary);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.stat-trend {
    font-size: var(--font-size-sm);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 2px;
}

.stat-trend.up {
    color: var(--success);
}

.stat-trend.down {
    color: var(--error);
}

/* Content Grid */
.content-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

@media (max-width: 1200px) {
    .content-grid {
        grid-template-columns: 1fr;
    }
}

/* Cards */
.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}

.card.full-width {
    grid-column: 1 / -1;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}

.card-title {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--text-primary);
}

.card-link {
    font-size: var(--font-size-sm);
    color: var(--brand-orange);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.card-body {
    padding: var(--spacing-lg);
}

/* Data Table */
.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: left;
}

.data-table th {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border-color);
}

.data-table td {
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
}

.data-table tr:last-child td {
    border-bottom: none;
}

.data-table tr:hover td {
    background-color: var(--bg-hover);
}

.stock-num {
    font-weight: 500;
    color: var(--brand-orange);
}

.unit-cell {
    display: flex;
    flex-direction: column;
}

.unit-name {
    font-weight: 500;
}

.unit-meta {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
}

.price {
    font-weight: 600;
}

/* Status Badges */
.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    font-size: var(--font-size-xs);
    font-weight: 500;
    border-radius: 20px;
}

.status-badge.available {
    background-color: var(--success-bg);
    color: var(--success);
}

.status-badge.pending {
    background-color: var(--warning-bg);
    color: var(--warning);
}

.status-badge.hold {
    background-color: var(--error-bg);
    color: var(--error);
}

.status-badge.sold {
    background-color: var(--bg-hover);
    color: var(--text-tertiary);
}

.status-badge.negotiation {
    background-color: var(--info-bg);
    color: var(--info);
}

.status-badge.docs {
    background-color: rgba(139, 92, 246, 0.1);
    color: #8B5CF6;
}

.status-badge.financing {
    background-color: var(--brand-orange-light);
    color: var(--brand-orange);
}

/* Deal List */
.deal-list {
    display: flex;
    flex-direction: column;
}

.deal-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.deal-item:last-child {
    border-bottom: none;
}

.deal-item:hover {
    background-color: var(--bg-hover);
    margin: 0 calc(-1 * var(--spacing-lg));
    padding-left: var(--spacing-lg);
    padding-right: var(--spacing-lg);
}

.deal-info {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.deal-customer {
    font-weight: 500;
    color: var(--text-primary);
}

.deal-unit {
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
}

.deal-amount {
    font-weight: 600;
    color: var(--text-primary);
}

/* Auction Grid */
.auction-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.auction-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background-color: var(--bg-app);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.auction-card:hover {
    border-color: var(--brand-orange);
}

.auction-date {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--brand-orange-light);
    border-radius: var(--radius-md);
    min-width: 60px;
}

.auction-month {
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--brand-orange);
    text-transform: uppercase;
}

.auction-day {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--brand-orange);
}

.auction-info {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.auction-title {
    font-weight: 600;
    color: var(--text-primary);
}

.auction-meta {
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
}

.auction-stats {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.auction-stat {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
}

.auction-stat i {
    font-size: var(--font-size-sm);
}

/* ========================================
   Context Header System
   ======================================== */

.context-header {
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.context-header-inner {
    padding: var(--spacing-lg) var(--spacing-xl) 0;
}

.context-breadcrumb {
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
    margin-bottom: var(--spacing-xs);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.context-breadcrumb i {
    font-size: var(--font-size-sm);
}

.context-title-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
}

.context-title {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.context-title i {
    color: var(--brand-orange);
}

.context-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.context-subnav {
    display: flex;
    gap: var(--spacing-xs);
    margin: 0 calc(-1 * var(--spacing-xl));
    padding: 0 var(--spacing-xl);
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.context-subnav::-webkit-scrollbar {
    display: none;
}

.subnav-item {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    border-bottom: 2px solid transparent;
    white-space: nowrap;
    transition: all var(--transition-fast);
}

.subnav-item:hover {
    color: var(--text-primary);
}

.subnav-item.active {
    color: var(--brand-orange);
    border-bottom-color: var(--brand-orange);
}

.subnav-item:focus {
    outline: none;
    color: var(--brand-orange);
}

.subnav-item:focus-visible {
    outline: 2px solid var(--brand-orange);
    outline-offset: -2px;
    border-radius: var(--radius-sm);
}

/* Flat sidebar without section headers */
.sidebar-nav .nav-section {
    margin-bottom: 0;
}

.sidebar-nav .nav-section-title {
    display: none;
}

.sidebar-nav .nav-item {
    margin-bottom: 1px;
}

/* Sidebar divider for visual grouping without headers */
.nav-divider {
    height: 1px;
    background-color: var(--border-color);
    margin: var(--spacing-sm) var(--spacing-sm);
}

/* Sidebar section labels for tier grouping */
.nav-section-label {
    font-size: 10px;
    font-weight: 600;
    color: var(--text-tertiary);
    letter-spacing: 0.5px;
    padding: var(--spacing-sm) var(--spacing-sm) var(--spacing-xs);
    margin-top: var(--spacing-sm);
    opacity: 0.5;
    white-space: nowrap;
    text-transform: uppercase;
    transition: opacity var(--transition-fast);
    border-top: 1px solid var(--border-color);
}

.sidebar.collapsed .nav-section-label {
    opacity: 0;
    width: 0;
    overflow: hidden;
}

/* Module-level tab bar for Dealership sub-modules */
.module-tabs {
    display: flex;
    gap: 0;
    padding: 0 var(--spacing-xl);
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}

.module-tabs .tab {
    padding: var(--spacing-sm) var(--spacing-md);
    font-family: var(--font-family);
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--text-tertiary);
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-decoration: none;
}

.module-tabs .tab:hover {
    color: var(--text-primary);
}

.module-tabs .tab.active {
    color: var(--brand-orange);
    border-bottom-color: var(--brand-orange);
}

/* ========================================
   DEV / Preview Section (Feature Flag)
   ======================================== */

/* DEV section container - hidden by default, shown with data-dev="true" on body */
.dev-section {
    display: none;
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-sm);
    border-top: 1px dashed var(--border-color);
}

/* Show DEV section when feature flag is enabled */
body[data-dev="true"] .dev-section {
    display: block;
}

/* DEV section label */
.dev-section-label {
    font-size: 10px;
    font-weight: 600;
    color: var(--text-tertiary);
    letter-spacing: 1px;
    padding: var(--spacing-xs) var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
    opacity: 0.6;
}

/* DEV nav items - more subtle styling */
.dev-section .nav-item {
    font-size: var(--font-size-xs);
    padding: 6px var(--spacing-sm);
    color: var(--text-tertiary);
    opacity: 0.8;
}

.dev-section .nav-item:hover {
    opacity: 1;
    color: var(--text-secondary);
}

.dev-section .nav-item i {
    font-size: var(--font-size-sm);
    width: 20px;
}

.dev-section .nav-item.active {
    background-color: rgba(139, 92, 246, 0.1);
    color: #8B5CF6;
    opacity: 1;
}

/* Hide DEV section elements when sidebar is collapsed */
.sidebar.collapsed .dev-section-label {
    opacity: 0;
    width: 0;
    overflow: hidden;
}

/* ========================================
   Scrollbar Styling
   ======================================== */

::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-app);
}

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

::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}

/* ========================================
   Responsive Adjustments
   ======================================== */

@media (max-width: 768px) {
    .top-bar-center {
        display: none;
    }

    .user-info {
        display: none;
    }

    .sidebar {
        position: fixed;
        left: 0;
        top: var(--top-bar-height);
        height: calc(100vh - var(--top-bar-height));
        z-index: 50;
        transform: translateX(-100%);
        transition: transform var(--transition-slow);
    }

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

    .stats-grid {
        grid-template-columns: 1fr;
    }
}