/* ============================================
   SAAS ADMIN THEME - MODERN DASHBOARD DESIGN
   ============================================ */

:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary-color: #8b5cf6;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --info-color: #3b82f6;
    
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-dark: #0f172a;
    --bg-sidebar: #1e293b;
    --bg-sidebar-hover: #334155;
    
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-light: #94a3b8;
    --text-white: #ffffff;
    
    --border-color: #e2e8f0;
    --border-radius: 8px;
    --border-radius-lg: 12px;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    --sidebar-width: 260px;
    --sidebar-collapsed-width: 80px;
    --topbar-height: 70px;
}

/* ========== RESET & BASE ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body.saas-theme {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-secondary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ========== APP WRAPPER ========== */
.app-wrapper {
    display: flex;
    min-height: 100vh;
    position: relative;
}

/* ========== SIDEBAR ========== */
.app-sidebar {
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    color: var(--text-white);
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    overflow-x: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
    box-shadow: var(--shadow-lg);
    transform: translateX(0);
}

/* Mobile sidebar overlay */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 999;
    opacity: 0;
    transition: opacity 0.3s ease;
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
}

.sidebar-overlay.active {
    display: block;
    opacity: 1;
}

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

.sidebar-header {
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    min-height: var(--topbar-height);
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-white);
    white-space: nowrap;
}

.app-sidebar.collapsed .logo-text {
    display: none;
}

.sidebar-toggle {
    background: transparent;
    border: none;
    color: var(--text-white);
    font-size: 18px;
    cursor: pointer;
    padding: 8px;
    border-radius: var(--border-radius);
    transition: background 0.2s;
}

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

.app-sidebar.collapsed .sidebar-toggle {
    margin: 0 auto;
}

/* ========== SIDEBAR USER ========== */
.sidebar-user {
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
}

.user-avatar {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: 20px;
    flex-shrink: 0;
}

.user-info {
    flex: 1;
    min-width: 0;
}

.user-name {
    font-weight: 600;
    font-size: 14px;
    color: var(--text-white);
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-role {
    font-size: 12px;
    color: var(--text-light);
    opacity: 0.8;
}

.app-sidebar.collapsed .user-info {
    display: none;
}

.user-dropdown {
    position: relative;
}

.user-dropdown .dropdown-toggle {
    background: transparent;
    border: none;
    color: var(--text-white);
    cursor: pointer;
    padding: 5px;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.user-dropdown .dropdown-toggle:hover {
    opacity: 1;
}

.app-sidebar.collapsed .user-dropdown {
    display: none;
}

/* ========== SIDEBAR NAVIGATION ========== */
.sidebar-nav {
    padding: 20px 0;
}

.nav-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.nav-item {
    margin-bottom: 4px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: all 0.2s;
    font-size: 14px;
    font-weight: 500;
    position: relative;
}

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

.nav-link.active {
    background: var(--primary-color);
    color: var(--text-white);
}

.nav-link.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--text-white);
}

.nav-link i {
    width: 20px;
    text-align: center;
    font-size: 18px;
}

.nav-link span {
    white-space: nowrap;
}

.app-sidebar.collapsed .nav-link span {
    display: none;
}

.app-sidebar.collapsed .nav-link {
    justify-content: center;
    padding: 12px;
}

/* ========== NAV GROUP (SUB MENU) ========== */
.nav-group {
    position: relative;
}

.nav-group > .nav-link {
    position: relative;
}

.nav-arrow {
    margin-left: auto;
    font-size: 12px;
    transition: transform 0.3s;
}

.nav-group.active > .nav-link .nav-arrow {
    transform: rotate(180deg);
}

.nav-submenu {
    list-style: none;
    padding: 0;
    margin: 0;
    background: rgba(0, 0, 0, 0.2);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.nav-group.active .nav-submenu {
    max-height: 500px;
}

.nav-sub-link {
    display: block;
    padding: 10px 20px 10px 52px;
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 13px;
    transition: all 0.2s;
}

.nav-sub-link:hover {
    background: var(--bg-sidebar-hover);
    color: var(--text-white);
    padding-left: 56px;
}

.app-sidebar.collapsed .nav-submenu {
    display: none;
}

/* ========== MAIN CONTENT AREA ========== */
.app-main {
    flex: 1;
    margin-left: var(--sidebar-width);
    transition: margin-left 0.3s ease;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.app-sidebar.collapsed ~ .app-main {
    margin-left: var(--sidebar-collapsed-width);
}

/* Mobile menu toggle button */
.mobile-menu-toggle {
    display: none;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 22px;
    cursor: pointer;
    padding: 8px 12px;
    border-radius: var(--border-radius);
    transition: all 0.2s;
    margin-right: 15px;
    z-index: 1001;
    position: relative;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    min-width: 44px;
    min-height: 44px;
    align-items: center;
    justify-content: center;
}

.mobile-menu-toggle:hover,
.mobile-menu-toggle:active,
.mobile-menu-toggle:focus {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.mobile-menu-toggle:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.mobile-menu-toggle i {
    pointer-events: none;
}

/* ========== TOPBAR ========== */
.app-topbar {
    height: var(--topbar-height);
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 30px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.topbar-left {
    display: flex;
    align-items: center;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
}

.breadcrumb-item {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.action-btn {
    position: relative;
    background: transparent;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
    font-size: 18px;
}

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

.action-btn .badge {
    position: absolute;
    top: 0;
    right: 0;
    background: var(--danger-color);
    color: var(--text-white);
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 10px;
    min-width: 18px;
    text-align: center;
}

.user-menu {
    position: relative;
}

.user-menu-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    background: transparent;
    border: none;
    padding: 8px 12px;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: background 0.2s;
}

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

.user-avatar-small {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: 14px;
}

.user-name-small {
    font-weight: 500;
    font-size: 14px;
    color: var(--text-primary);
}

.user-menu-dropdown {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    min-width: 200px;
    padding: 8px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s;
}

.user-menu:hover .user-menu-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-menu-dropdown a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 14px;
    transition: background 0.2s;
}

.user-menu-dropdown a:hover {
    background: var(--bg-tertiary);
}

.user-menu-dropdown a i {
    width: 20px;
    text-align: center;
}

/* ========== APP CONTENT ========== */
.app-content {
    flex: 1;
    padding: 30px;
}

.container-fluid {
    max-width: 1400px;
    margin: 0 auto;
}

/* ========== CARDS ========== */
.saas-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: box-shadow 0.2s;
}

.saas-card:hover {
    box-shadow: var(--shadow-md);
}

.saas-card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.saas-card-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.saas-card-body {
    padding: 24px;
}

.saas-card-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

/* ========== KPI CARDS ========== */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 30px;
}

.kpi-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    padding: 24px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.kpi-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--primary-color);
}

.kpi-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.kpi-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.kpi-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--border-radius);
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    font-size: 20px;
}

.kpi-label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.kpi-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 8px 0;
    line-height: 1.2;
}

.kpi-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.kpi-change {
    font-size: 13px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 4px;
}

.kpi-change.positive {
    color: var(--success-color);
}

.kpi-change.negative {
    color: var(--danger-color);
}

.kpi-change.neutral {
    color: var(--text-secondary);
}

.kpi-percent {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
}

/* ========== TABLES ========== */
.saas-table {
    width: 100%;
    border-collapse: collapse;
}

.saas-table thead {
    background: var(--bg-tertiary);
}

.saas-table thead th {
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
    font-size: 13px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--border-color);
}

.saas-table tbody tr {
    border-bottom: 1px solid var(--border-color);
    transition: background 0.2s;
}

.saas-table tbody tr:hover {
    background: var(--bg-secondary);
}

.saas-table tbody td {
    padding: 16px;
    font-size: 14px;
    color: var(--text-primary);
}

/* ========== BUTTONS ========== */
.btn-saas {
    padding: 10px 20px;
    border-radius: var(--border-radius);
    font-weight: 500;
    font-size: 14px;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-saas-primary {
    background: var(--primary-color);
    color: var(--text-white);
}

.btn-saas-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-saas-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.btn-saas-secondary:hover {
    background: var(--border-color);
}

.btn-saas-danger {
    background: var(--danger-color);
    color: var(--text-white);
}

.btn-saas-danger:hover {
    background: #dc2626;
}

.btn-saas-success {
    background: var(--success-color);
    color: var(--text-white);
}

.btn-saas-success:hover {
    background: #059669;
}

.btn-saas-warning {
    background: var(--warning-color);
    color: var(--text-white);
}

.btn-saas-warning:hover {
    background: #d97706;
}

.btn-saas-info {
    background: var(--info-color);
    color: var(--text-white);
}

.btn-saas-info:hover {
    background: #2563eb;
}

/* ========== BADGES ========== */
.badge-saas {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.badge-info {
    background: rgba(59, 130, 246, 0.1);
    color: var(--info-color);
}

.badge-primary {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
}

/* ========== FORMS ========== */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 14px;
    color: var(--text-primary);
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 14px;
    transition: all 0.2s;
    background: var(--bg-primary);
    color: var(--text-primary);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* ========== CHARTS ========== */
.chart-container {
    position: relative;
    height: 400px;
    padding: 20px;
}

.chart-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    padding: 24px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.chart-header {
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.chart-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
    .mobile-menu-toggle {
        display: flex !important;
        align-items: center;
        justify-content: center;
        min-width: 44px;
        min-height: 44px;
    }
    
    .app-sidebar {
        transform: translateX(-100%);
        width: 280px;
        max-width: 85vw;
    }
    
    .app-sidebar.mobile-open {
        transform: translateX(0);
        box-shadow: 4px 0 20px rgba(0, 0, 0, 0.3);
    }
    
    .app-main {
        margin-left: 0;
        width: 100%;
    }
    
    .sidebar-header {
        padding: 15px;
    }
    
    .sidebar-user {
        padding: 15px;
    }
    
    .nav-link {
        padding: 14px 20px;
        font-size: 15px;
    }
    
    .kpi-grid {
        grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
        gap: 16px;
    }
    
    .saas-card-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .saas-card-header .btn-saas {
        width: 100%;
        justify-content: center;
    }
    
    .saas-table {
        font-size: 12px;
    }
    
    .saas-table thead th,
    .saas-table tbody td {
        padding: 10px 8px;
    }
    
    .topbar-right {
        gap: 10px;
    }
    
    .action-btn {
        width: 36px;
        height: 36px;
        font-size: 16px;
    }
}

@media (max-width: 768px) {
    .app-content {
        padding: 15px 10px;
    }
    
    .app-topbar {
        padding: 0 10px;
        height: 60px;
        position: sticky;
        top: 0;
    }
    
    .breadcrumb-item {
        font-size: 14px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        max-width: 200px;
    }
    
    .topbar-left {
        flex: 1;
        min-width: 0;
    }
    
    .topbar-right {
        flex-shrink: 0;
    }
    
    .kpi-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .kpi-card {
        padding: 16px;
    }
    
    .kpi-value {
        font-size: 24px;
    }
    
    .chart-container {
        height: 250px;
        padding: 10px;
    }
    
    .user-name-small {
        display: none;
    }
    
    .saas-card {
        border-radius: var(--border-radius);
    }
    
    .saas-card-header {
        padding: 15px;
    }
    
    .saas-card-body {
        padding: 15px;
    }
    
    .saas-card-title {
        font-size: 16px;
    }
    
    /* Tables responsive - scroll horizontal */
    .saas-table-wrapper {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        margin: 0 -10px;
        padding: 0 10px;
    }
    
    .saas-table {
        min-width: 600px;
        font-size: 12px;
    }
    
    .saas-table thead th,
    .saas-table tbody td {
        padding: 10px 8px;
    }
    
    .saas-table thead th {
        font-size: 11px;
    }
    
    /* Actions buttons in tables - stack vertically on very small screens */
    .saas-table tbody td:last-child {
        white-space: normal;
    }
    
    .saas-table tbody td .btn-saas {
        margin: 2px;
        padding: 6px 10px;
        font-size: 11px;
    }
    
    .btn-saas {
        padding: 8px 12px;
        font-size: 12px;
        white-space: nowrap;
    }
    
    .btn-saas i {
        font-size: 12px;
        margin-right: 4px;
    }
    
    /* Button groups in table cells */
    .btn-group-mobile {
        display: flex;
        flex-wrap: wrap;
        gap: 4px;
        justify-content: flex-start;
    }
    
    .btn-text-mobile {
        display: none;
    }
    
    @media (max-width: 480px) {
        .btn-text-mobile {
            display: inline;
        }
        
        .btn-group-mobile .btn-saas {
            min-width: 36px;
            padding: 6px 8px;
        }
    }
    
    /* Modal responsive */
    .modal-dialog {
        margin: 10px;
    }
    
    .modal-content {
        border-radius: var(--border-radius);
    }
    
    .modal-header,
    .modal-body,
    .modal-footer {
        padding: 15px;
    }
    
    /* Form responsive */
    .form-group {
        margin-bottom: 15px;
    }
    
    .form-label {
        font-size: 13px;
    }
    
    .form-control {
        padding: 10px 12px;
        font-size: 14px;
    }
    
    /* Badge responsive */
    .badge-saas {
        font-size: 11px;
        padding: 4px 8px;
    }
    
    /* KPI cards on mobile */
    .kpi-icon-wrapper {
        margin-bottom: 12px;
    }
    
    .kpi-icon {
        width: 40px;
        height: 40px;
        font-size: 18px;
    }
    
    /* Container fluid padding */
    .container-fluid {
        padding-left: 10px;
        padding-right: 10px;
    }
}

/* Extra small devices */
@media (max-width: 480px) {
    .app-content {
        padding: 10px 5px;
    }
    
    .saas-card-header {
        padding: 12px;
    }
    
    .saas-card-body {
        padding: 12px;
    }
    
    .saas-card-title {
        font-size: 14px;
    }
    
    .kpi-value {
        font-size: 20px;
    }
    
    .kpi-label {
        font-size: 11px;
    }
    
    .breadcrumb-item {
        font-size: 12px;
        max-width: 150px;
    }
    
    .mobile-menu-toggle {
        min-width: 40px;
        min-height: 40px;
        padding: 6px 10px;
    }
    
    .topbar-right {
        gap: 5px;
    }
    
    .action-btn {
        width: 32px;
        height: 32px;
        font-size: 14px;
    }
    
    .user-avatar-small {
        width: 28px;
        height: 28px;
    }
}

/* ========== UTILITIES ========== */
.text-primary { color: var(--primary-color); }
.text-secondary { color: var(--text-secondary); }
.text-success { color: var(--success-color); }
.text-danger { color: var(--danger-color); }
.text-warning { color: var(--warning-color); }

.bg-primary { background: var(--primary-color); }
.bg-secondary { background: var(--bg-secondary); }
.bg-success { background: var(--success-color); }
.bg-danger { background: var(--danger-color); }

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }

.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }

.p-1 { padding: 8px; }
.p-2 { padding: 16px; }
.p-3 { padding: 24px; }
.p-4 { padding: 32px; }

.d-flex { display: flex; }
.align-items-center { align-items: center; }
.justify-content-between { justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }