/* ============= CSS Variables - Professional Design System ============= */
:root {
    /* Primary Colors */
    --primary-50: #e8eaf6;
    --primary-100: #c5cae9;
    --primary-200: #9fa8da;
    --primary-300: #7986cb;
    --primary-400: #5c6bc0;
    --primary-500: #3f51b5;
    --primary-600: #3949ab;
    --primary-700: #303f9f;
    --primary-800: #283593;
    --primary-900: #1a237e;

    /* Neutral Colors */
    --gray-50: #f8f9fa;
    --gray-100: #f1f3f5;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-500: #adb5bd;
    --gray-600: #6c757d;
    --gray-700: #495057;
    --gray-800: #343a40;
    --gray-900: #212529;

    /* Semantic Colors */
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

    /* Typography */
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-mono: SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-full: 9999px;

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

/* ============= Reset & Base Styles ============= */
* {
    box-sizing: border-box;
}

body {
    font-family: var(--font-sans);
    font-size: 0.875rem;
    line-height: 1.5;
    color: var(--gray-700);
    background-color: var(--gray-50);
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--gray-900);
    font-weight: 600;
    line-height: 1.2;
    margin: 0;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.125rem; }
h5 { font-size: 1rem; }
h6 { font-size: 0.875rem; }

a {
    color: var(--primary-600);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-700);
}

/* ============= Layout ============= */
.page-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.main-content {
    flex: 1;
    padding-top: 4rem;
}

.container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

/* ============= Navigation ============= */
.navbar {
    background: white;
    border-bottom: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: 4rem;
}

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--gray-900);
}

.navbar-brand i {
    color: var(--primary-600);
}

.navbar-nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--gray-600);
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-link:hover {
    color: var(--primary-600);
    background-color: var(--primary-50);
}

.nav-separator {
    width: 1px;
    height: 2rem;
    background: var(--gray-300);
    margin: 0 var(--spacing-sm);
}

.nav-user {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--gray-600);
    font-weight: 500;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    background: var(--gray-100);
}

.logout-link {
    color: var(--danger) !important;
}

.logout-link:hover {
    color: white !important;
    background-color: var(--danger) !important;
}

/* ============= Page Headers ============= */
.page-header {
    background: white;
    border-bottom: 1px solid var(--gray-200);
    padding: var(--spacing-xl) 0;
    margin-bottom: var(--spacing-xl);
}

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

.page-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.page-title h1 {
    font-size: 1.875rem;
    font-weight: 700;
}

.page-subtitle {
    color: var(--gray-600);
    margin-top: var(--spacing-xs);
}

/* ============= Cards ============= */
.card {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: all var(--transition-base);
}

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

.card-header {
    background: white;
    border-bottom: 1px solid var(--gray-200);
    padding: var(--spacing-lg);
}

.card-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-900);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

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

/* ============= Stats Cards ============= */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    position: relative;
    overflow: hidden;
    min-height: 120px;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-500);
}

.stat-card.success::before { background: var(--success); }
.stat-card.warning::before { background: var(--warning); }
.stat-card.danger::before { background: var(--danger); }
.stat-card.info::before { background: var(--info); }

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1;
    margin-bottom: var(--spacing-sm);
}

.stat-label {
    color: var(--gray-600);
    font-size: 0.875rem;
    font-weight: 500;
}

.stat-icon {
    position: absolute;
    top: 50%;
    right: var(--spacing-lg);
    transform: translateY(-50%);
    font-size: 3rem;
    color: var(--gray-200);
    opacity: 0.3;
}

/* ============= Tables ============= */
.table-container {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    overflow-x: auto;
    overflow-y: visible;
    min-width: 0;
}

.table {
    width: 100%;
    border-collapse: collapse;
    table-layout: auto;
}

.table thead {
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
}

.table th {
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: left;
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-600);
    white-space: normal;
    line-height: 1.3;
}

.table td {
    padding: var(--spacing-sm) var(--spacing-md);
    border-bottom: 1px solid var(--gray-100);
}

.table tbody tr {
    transition: background-color var(--transition-fast);
}

.table tbody tr:hover {
    background-color: var(--gray-50);
}

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

/* ============= Integration Analysis Table ============= */
.integration-table {
    table-layout: fixed;
    width: 100%;
}

.integration-table th:nth-child(1) { width: 32%; }
.integration-table th:nth-child(2) { width: 8%; }
.integration-table th:nth-child(3) { width: 15%; }
.integration-table th:nth-child(4) { width: 18%; }
.integration-table th:nth-child(5) { width: 10%; }

/* Specific styling for integration table headers */
.integration-table th {
    padding: var(--spacing-sm) var(--spacing-xs);
    vertical-align: top;
}

.integration-table th:nth-child(4) {
    font-size: 0.7rem;
}

.integration-table th:last-child {
    text-align: center;
}

.integration-table td:first-child .text-sm {
    display: block;
    white-space: normal;
    line-height: 1.4;
}

/* Integration table specific cell styling */
.integration-table td {
    padding: var(--spacing-sm) var(--spacing-xs);
}

.integration-table td:nth-child(3),
.integration-table td:nth-child(4) {
    padding: var(--spacing-sm) var(--spacing-xs);
}

/* Ensure action buttons are always visible */
.integration-table td:last-child {
    text-align: center;
    white-space: nowrap;
    padding: var(--spacing-sm);
}

.integration-table .btn {
    min-width: auto;
}

/* Ensure progress bars in tables display properly */
.table .progress {
    display: inline-block;
    vertical-align: middle;
    margin-right: var(--spacing-xs);
}

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

/* ============= Buttons ============= */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
}

.btn:focus {
    outline: 2px solid var(--primary-500);
    outline-offset: 2px;
}

.btn-primary {
    background: var(--primary-600);
    color: white;
    border-color: var(--primary-600);
}

.btn-primary:hover {
    background: var(--primary-700);
    border-color: var(--primary-700);
}

.btn-secondary {
    background: white;
    color: var(--gray-700);
    border-color: var(--gray-300);
}

.btn-secondary:hover {
    background: var(--gray-50);
    border-color: var(--gray-400);
}

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

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

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.75rem;
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 1rem;
}

.btn-icon {
    padding: var(--spacing-sm);
    width: 2.25rem;
    height: 2.25rem;
}

/* ============= Badges ============= */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 500;
    line-height: 1;
    border-radius: var(--radius-full);
    background: var(--gray-100);
    color: var(--gray-700);
    white-space: nowrap;
}

.badge-primary {
    background: var(--primary-100);
    color: var(--primary-800);
}

.badge-secondary {
    background: var(--gray-100);
    color: var(--gray-600);
}

.badge-success {
    background: #d1fae5;
    color: #065f46;
}

.badge-warning {
    background: #fed7aa;
    color: #92400e;
}

.badge-danger {
    background: #fee2e2;
    color: #991b1b;
}

.badge-info {
    background: #dbeafe;
    color: #1e40af;
}

/* ============= Forms ============= */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--gray-700);
    font-size: 0.875rem;
}

.form-control {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.875rem;
    line-height: 1.5;
    color: var(--gray-900);
    background: white;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(63, 81, 181, 0.1);
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 0.5rem center;
    background-repeat: no-repeat;
    background-size: 1.5em 1.5em;
    padding-right: 2.5rem;
}

/* ============= Alerts ============= */
.alert {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid transparent;
    margin-bottom: var(--spacing-md);
}

.alert-info {
    background: var(--info);
    color: white;
    border-color: var(--info);
}

.alert-light-info {
    background: #eff6ff;
    color: #1e40af;
    border-color: #dbeafe;
}

.alert-warning {
    background: #fef3c7;
    color: #92400e;
    border-color: #fde68a;
}

.alert-danger {
    background: #fee2e2;
    color: #991b1b;
    border-color: #fecaca;
}

/* ============= Progress Bars ============= */
.progress {
    height: 0.5rem;
    background: var(--gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
    min-width: 60px;
}

.progress-bar {
    height: 100%;
    background: var(--primary-500);
    transition: width var(--transition-slow);
}

.progress-bar.bg-success {
    background: var(--success);
}

/* ============= Pagination ============= */
.pagination {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    list-style: none;
    padding: 0;
    margin: 0;
}

.page-item {
    display: inline-block;
}

.page-item.disabled .page-link {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

.page-item.active .page-link {
    background: var(--primary-600);
    color: white;
    border-color: var(--primary-600);
}

.page-link {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 2rem;
    height: 2rem;
    padding: 0 var(--spacing-sm);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-700);
    background: white;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    text-decoration: none;
}

.page-link:hover:not(.active) {
    background: var(--gray-50);
    border-color: var(--gray-400);
    color: var(--gray-700);
}

.pagination-sm .page-link {
    min-width: 1.75rem;
    height: 1.75rem;
    font-size: 0.75rem;
    padding: 0 var(--spacing-xs);
}

/* ============= Loading States ============= */
.spinner {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spin 0.75s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.skeleton {
    background: linear-gradient(90deg, var(--gray-200) 25%, var(--gray-100) 50%, var(--gray-200) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s ease-in-out infinite;
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ============= Utility Classes ============= */
.text-muted { color: var(--gray-600); }
.text-primary { color: var(--primary-600); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-gray-300 { color: var(--gray-300); }

.bg-primary { background-color: var(--primary-600); }
.bg-gray-50 { background-color: var(--gray-50); }
.bg-white { background-color: white; }

.border { border: 1px solid var(--gray-200); }
.border-top { border-top: 1px solid var(--gray-200); }
.border-bottom { border-bottom: 1px solid var(--gray-200); }

.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-full { border-radius: var(--radius-full); }

.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow { box-shadow: var(--shadow); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }

.p-0 { padding: 0; }
.p-1 { padding: var(--spacing-xs); }
.p-2 { padding: var(--spacing-sm); }
.p-3 { padding: var(--spacing-md); }
.p-4 { padding: var(--spacing-lg); }
.p-5 { padding: var(--spacing-xl); }

.m-0 { margin: 0; }
.mt-1 { margin-top: var(--spacing-xs); }
.mt-3 { margin-top: var(--spacing-md); }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.mb-5 { margin-bottom: var(--spacing-xl); }

.flex { display: flex; }
.flex-1 { flex: 1; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-2 { gap: var(--spacing-sm); }
.gap-3 { gap: var(--spacing-md); }
.gap-4 { gap: var(--spacing-lg); }

.grid { display: grid; }
.grid-cols-2 { 
    grid-template-columns: repeat(2, minmax(0, 1fr)); 
    gap: var(--spacing-xl);
}
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }

.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

.text-sm { font-size: 0.875rem; }
.text-base { font-size: 1rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }

.text-center { text-align: center; }

/* ============= Footer ============= */
.footer {
    background: white;
    border-top: 1px solid var(--gray-200);
    padding: var(--spacing-xl) 0;
    margin-top: auto;
}

.footer-content {
    text-align: center;
}

/* ============= Page Actions ============= */
.page-actions {
    display: flex;
    gap: var(--spacing-sm);
}

/* ============= Messages (Dialog Detail) ============= */
.message-card {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    border-left: 4px solid var(--gray-400);
}

.message-operator {
    border-left-color: var(--danger);
}

.message-client {
    border-left-color: var(--success);
}

.message-system {
    border-left-color: var(--warning);
}

.messages-container {
    max-height: 600px;
    overflow-y: auto;
    padding: var(--spacing-md);
    background: var(--gray-50);
    border-radius: var(--radius-md);
}

.message-text {
    line-height: 1.6;
    white-space: pre-wrap;
    word-wrap: break-word;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.message-text:hover {
    background: var(--gray-100);
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
}

/* ============= Workflow Steps ============= */
.step-number {
    width: 2rem;
    height: 2rem;
    background: var(--primary-600);
    color: white;
    border-radius: var(--radius-full);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
    margin-right: var(--spacing-sm);
}

.step-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
    font-weight: 500;
    background: var(--primary-100);
    color: var(--primary-800);
    border-radius: var(--radius-md);
    margin-right: var(--spacing-xs);
    margin-bottom: var(--spacing-xs);
}

.tag-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.625rem;
    font-size: 0.75rem;
    font-weight: 500;
    background: var(--gray-100);
    color: var(--gray-700);
    border-radius: var(--radius-full);
    margin-right: var(--spacing-xs);
    margin-bottom: var(--spacing-xs);
}

.workflow-steps {
    max-height: 300px;
    overflow-y: auto;
}

/* ============= Scroll Button ============= */
.scroll-to-bottom {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 100;
    background: var(--primary-600);
    color: white;
    border: none;
    border-radius: var(--radius-full);
    width: 3rem;
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.scroll-to-bottom:hover {
    background: var(--primary-700);
    transform: translateY(-2px);
}

/* ============= Stats Cards ============= */
.stats-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: var(--spacing-lg) var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
}

.stats-number {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.stats-label {
    font-size: 0.875rem;
    opacity: 0.9;
}

/* ============= Breadcrumb ============= */
.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    padding: 0;
    margin-bottom: 0;
    list-style: none;
    background-color: transparent;
    font-size: 0.875rem;
}

.breadcrumb-item {
    display: flex;
    align-items: center;
}

.breadcrumb-item + .breadcrumb-item::before {
    content: '/';
    padding: 0 var(--spacing-sm);
    color: var(--gray-400);
}

.breadcrumb-item a {
    color: var(--primary-600);
    text-decoration: none;
}

.breadcrumb-item a:hover {
    color: var(--primary-700);
    text-decoration: underline;
}

code {
    background: var(--gray-100);
    padding: 0.125rem 0.25rem;
    border-radius: var(--radius-sm);
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.875em;
}

hr {
    margin: var(--spacing-lg) 0;
    border: none;
    border-top: 1px solid var(--gray-200);
}

.breadcrumb-item.active {
    color: var(--gray-600);
}

/* ============= Casino Header (Integration) ============= */
.casino-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: var(--spacing-xl) 0;
    margin-bottom: var(--spacing-xl);
}

.casino-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.casino-subtitle {
    font-size: 1rem;
    opacity: 0.9;
}

/* ============= Row and Column Utilities ============= */
.row {
    display: flex;
    flex-wrap: wrap;
    margin-left: calc(var(--spacing-md) * -1);
    margin-right: calc(var(--spacing-md) * -1);
}

.col-12 {
    flex: 0 0 100%;
    max-width: 100%;
    padding: 0 var(--spacing-md);
}

.col-md-3 {
    flex: 0 0 25%;
    max-width: 25%;
    padding: 0 var(--spacing-md);
}

.col-md-4 {
    flex: 0 0 33.333333%;
    max-width: 33.333333%;
    padding: 0 var(--spacing-md);
}

.col-md-6 {
    flex: 0 0 50%;
    max-width: 50%;
    padding: 0 var(--spacing-md);
}

.col-6 {
    flex: 0 0 50%;
    max-width: 50%;
    padding: 0 var(--spacing-md);
}

.col-md-8 {
    flex: 0 0 66.666667%;
    max-width: 66.666667%;
    padding: 0 var(--spacing-md);
}

.col-lg-4 {
    flex: 0 0 33.333333%;
    max-width: 33.333333%;
    padding: 0 var(--spacing-md);
}

.col-lg-8 {
    flex: 0 0 66.666667%;
    max-width: 66.666667%;
    padding: 0 var(--spacing-md);
}

@media (max-width: 768px) {
    .col-6,
    .col-md-3,
    .col-md-4,
    .col-md-6,
    .col-md-8,
    .col-lg-4,
    .col-lg-8 {
        flex: 0 0 100%;
        max-width: 100%;
    }
}

/* ============= Text Utilities ============= */
.lead {
    font-size: 1.25rem;
    font-weight: 300;
}

.display-4 {
    font-size: 3.5rem;
    font-weight: 300;
    line-height: 1.2;
}

.text-md-end {
    text-align: right;
}

@media (max-width: 768px) {
    .text-md-end {
        text-align: left;
    }
    
    .display-4 {
        font-size: 2.5rem;
    }
}

/* ============= Additional Utilities ============= */
.d-flex { display: flex; }
.align-items-start { align-items: flex-start; }
.align-items-center { align-items: center; }
.justify-content-end { justify-content: flex-end; }
.justify-content-center { justify-content: center; }

.fs-6 { font-size: 1rem; }

.h-100 { height: 100%; }

.list-group {
    display: flex;
    flex-direction: column;
    padding-left: 0;
    margin-bottom: 0;
}

.list-group-item {
    position: relative;
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: white;
    border: 1px solid var(--gray-200);
}

.list-group-flush .list-group-item {
    border-right: 0;
    border-left: 0;
    border-radius: 0;
}

.me-1 { margin-right: var(--spacing-xs); }
.me-2 { margin-right: var(--spacing-sm); }
.me-3 { margin-right: var(--spacing-md); }
.ms-2 { margin-left: var(--spacing-sm); }
.ms-3 { margin-left: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mt-5 { margin-top: var(--spacing-xl); }
.mb-0 { margin-bottom: 0; }

.py-5 { 
    padding-top: var(--spacing-xl); 
    padding-bottom: var(--spacing-xl); 
}

.text-dark { color: var(--gray-900); }

.w-100 { width: 100%; }

.btn-group {
    position: relative;
    display: inline-flex;
    vertical-align: middle;
}

.btn-group > .btn {
    position: relative;
    flex: 1 1 auto;
}

.btn-group > .btn:not(:first-child) {
    margin-left: -1px;
}

.btn-group > .btn:first-child {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}

.btn-group > .btn:last-child {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
}

.btn-group > .btn:not(:first-child):not(:last-child) {
    border-radius: 0;
}

.btn-check {
    position: absolute;
    clip: rect(0, 0, 0, 0);
    pointer-events: none;
}

.btn-check:checked + .btn-outline-primary,
.btn-check:checked + .btn-outline-success,
.btn-check:checked + .btn-outline-info {
    color: white;
}

.btn-check:checked + .btn-outline-primary {
    background-color: var(--primary-600);
    border-color: var(--primary-600);
}

.btn-check:checked + .btn-outline-success {
    background-color: var(--success);
    border-color: var(--success);
}

.btn-check:checked + .btn-outline-info {
    background-color: var(--info);
    border-color: var(--info);
}

.btn-outline-primary {
    color: var(--primary-600);
    border-color: var(--primary-600);
}

.btn-outline-primary:hover {
    background-color: var(--primary-600);
    color: white;
}

.btn-outline-success {
    color: var(--success);
    border-color: var(--success);
}

.btn-outline-success:hover {
    background-color: var(--success);
    color: white;
}

.btn-outline-info {
    color: var(--info);
    border-color: var(--info);
}

.btn-outline-info:hover {
    background-color: var(--info);
    color: white;
}

.btn-outline-warning {
    color: var(--warning);
    border-color: var(--warning);
}

.btn-outline-warning:hover {
    background-color: var(--warning);
    color: white;
}

.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.fa-2x { font-size: 2em; }
.fa-3x { font-size: 3em; }
.fa-4x { font-size: 4em; }

.bg-success { background-color: var(--success); }
.bg-info { background-color: var(--info); }
.bg-warning { background-color: var(--warning); }
.bg-secondary { background-color: var(--gray-500); }
.bg-light { background-color: var(--gray-100); }

/* ============= Bootstrap-like classes ============= */
.d-none { display: none; }
.form-label { 
    display: inline-block; 
    margin-bottom: var(--spacing-xs);
}

.ol, .ul {
    padding-left: 1.5rem;
}

/* ============= Chart Containers ============= */
#tagChart,
#integrationChart,
#stepsChart {
    min-height: 300px;
    width: 100%;
}

/* ============= Responsive Design ============= */
@media (max-width: 1400px) {
    .container {
        max-width: 1200px;
    }
    
    .navbar-container {
        max-width: 1200px;
    }
}

@media (max-width: 1200px) {
    .grid-cols-2 {
        grid-template-columns: 1fr;
    }
    
    .table-container {
        overflow-x: auto;
    }
}

@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-md);
    }
    
    .stat-value {
        font-size: 1.75rem;
    }
    
    .navbar-nav span {
        display: none;
    }
    
    .nav-separator {
        display: none;
    }
    
    .nav-user span {
        display: none;
    }
    
    .navbar-nav {
        gap: var(--spacing-sm);
    }
    
    .page-header-content {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }
    
    .page-actions {
        width: 100%;
        display: flex;
        gap: var(--spacing-sm);
    }
    
    .page-actions .btn {
        flex: 1;
    }
    
    .card {
        margin-bottom: var(--spacing-md);
    }
    
    .table {
        font-size: 0.875rem;
    }
    
    .table th,
    .table td {
        padding: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .navbar-brand span {
        display: none;
    }
    
    .badge {
        font-size: 0.7rem;
        padding: 0.2rem 0.5rem;
    }
    
    .btn-sm {
        font-size: 0.7rem;
        padding: 0.25rem 0.5rem;
    }
    
    .page-title h1 {
        font-size: 1.5rem;
    }
}