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

.navigation {
    width: 100%;
}

.nav-group {
    margin-bottom: var(--spacing-md);
}

.nav-group-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--surface);
    border-radius: var(--radius-md);
    cursor: pointer;
    user-select: none;
    transition: background-color 0.2s ease;
}

.nav-group-header:hover {
    background-color: var(--hover);
}

.nav-group-header:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

.nav-expand-icon {
    font-size: 10px;
    color: var(--text-secondary);
    transition: transform 0.2s ease;
}

.nav-group-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.nav-group-content {
    margin-top: var(--spacing-xs);
    padding-left: var(--spacing-md);
}

.nav-item {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
    margin-bottom: var(--spacing-xs);
}

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

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

.nav-item.active {
    background-color: var(--primary);
    color: white;
    font-weight: 600;
}

.nav-empty-state {
    padding: var(--spacing-md);
    text-align: center;
    color: var(--text-secondary);
    font-size: 14px;
    font-style: italic;
}

/* ========================================
   Documentation Content Area
   ======================================== */

.documentation-content {
    padding: var(--spacing-2xl);
    max-width: 1200px;
    margin: 0 auto;
}

/* ========================================
   Metadata Header
   ======================================== */

.metadata-header {
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-xl);
}

.metadata-filename {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-lg) 0;
    word-break: break-word;
}

.metadata-details {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xl);
    padding: var(--spacing-md) 0;
}

.metadata-details .metadata-item {
    font-size: 14px;
    color: var(--text-secondary);
}

.metadata-details .metadata-item strong {
    color: var(--text-primary);
    font-weight: 600;
    margin-right: var(--spacing-xs);
}

.metadata-separator {
    border: none;
    border-top: 2px solid var(--border);
    margin: var(--spacing-lg) 0 0 0;
}

/* ========================================
   Documentation Header
   ======================================== */

.doc-header {
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 2px solid var(--border);
}

.doc-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.doc-metadata {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    color: var(--text-secondary);
    font-size: 14px;
}

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

.metadata-label {
    font-weight: 600;
    color: var(--text-primary);
}

/* ========================================
   Data Source Cards
   ======================================== */

.datasources-container {
    margin-bottom: var(--spacing-2xl);
}

.datasources-container .section-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xl);
}

.datasource-section {
    margin-bottom: var(--spacing-2xl);
}

.datasource-card {
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-xl);
    overflow: hidden;
    contain: layout style paint;
}

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

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
    background-color: var(--background-alt);
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    user-select: none;
}

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

.expand-icon {
    font-size: 14px;
    transition: transform 0.3s ease;
    color: var(--text-secondary);
}

.collapse-icon {
    width: 20px;
    height: 20px;
    transition: transform 0.3s ease;
    color: var(--text-secondary);
}

.collapse-icon.collapsed {
    transform: rotate(-90deg);
}

.card-body {
    padding: var(--spacing-lg);
    transition: max-height 0.3s ease, opacity 0.3s ease;
}

.card-body.collapsed {
    display: none;
}

/* ========================================
   Connection Details
   ======================================== */

.connection-section {
    margin-bottom: var(--spacing-xl);
}

.subsection-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.section-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.connection-details {
    background-color: var(--background-alt);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--primary);
    margin: 0;
}

.connection-details dt {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    margin-top: var(--spacing-sm);
}

.connection-details dt:first-child {
    margin-top: 0;
}

.connection-details dd {
    color: var(--text-secondary);
    margin: 0 0 var(--spacing-sm) 0;
    padding-left: var(--spacing-md);
}

.detail-row {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    font-size: 14px;
}

.detail-row:last-child {
    margin-bottom: 0;
}

.detail-label {
    font-weight: 600;
    color: var(--text-primary);
    min-width: 120px;
}

.detail-value {
    color: var(--text-secondary);
    flex: 1;
    word-break: break-word;
}

/* ========================================
   SQL Section
   ======================================== */

.sql-section {
    margin-bottom: var(--spacing-xl);
}

.code-block {
    background-color: var(--background-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    overflow-x: auto;
    margin: 0;
}

.code-block code {
    font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', monospace;
    font-size: 13px;
    line-height: 1.6;
    color: var(--text-primary);
    white-space: pre-wrap;
    word-wrap: break-word;
}

.sql-block {
    background-color: var(--background-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    overflow-x: auto;
}

.sql-block pre {
    margin: 0;
    font-size: 13px;
    line-height: 1.6;
    color: var(--text-primary);
    white-space: pre-wrap;
    word-wrap: break-word;
}

/* ========================================
   Schema Table
   ======================================== */

.schema-section {
    margin-bottom: var(--spacing-xl);
}

.schema-table-container {
    overflow-x: auto;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
}

.schema-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.schema-table thead {
    background-color: var(--background-alt);
    position: sticky;
    top: 0;
}

.schema-table th {
    padding: var(--spacing-md);
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border);
    cursor: pointer;
    user-select: none;
    white-space: nowrap;
}

.schema-table th:hover {
    background-color: var(--surface-hover);
}

.schema-table th.sortable {
    position: relative;
    padding-right: var(--spacing-xl);
}

.sort-indicator {
    position: absolute;
    right: var(--spacing-sm);
    top: 50%;
    transform: translateY(-50%);
    font-size: 12px;
    color: var(--text-tertiary);
}

.sort-indicator.asc::after {
    content: '▲';
}

.sort-indicator.desc::after {
    content: '▼';
}

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

.schema-table tbody tr:hover {
    background-color: var(--surface-hover);
}

.schema-table tbody tr:nth-child(even) {
    background-color: var(--background-alt);
}

.schema-table tbody tr:nth-child(even):hover {
    background-color: var(--surface-hover);
}

.schema-table td {
    padding: var(--spacing-md);
    color: var(--text-secondary);
}

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

.datatype-badge {
    display: inline-block;
    padding: 2px 8px;
    background-color: var(--primary);
    color: white;
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 500;
}

/* ========================================
   Calculations Section
   ======================================== */

.calculations-section {
    margin-bottom: var(--spacing-xl);
}

.calculations-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.calculation-item {
    background-color: var(--background-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
}

.calculation-header {
    margin-bottom: var(--spacing-md);
}

.calculation-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-sm) 0;
}

.calculation-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-xs);
}

.calculation-meta {
    display: flex;
    gap: var(--spacing-md);
    font-size: 13px;
    color: var(--text-secondary);
}

.calculation-metadata {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.metadata-tag {
    display: inline-block;
    padding: 4px 8px;
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 12px;
    color: var(--text-secondary);
}

.calculation-formula {
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: var(--spacing-md);
    font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', monospace;
    font-size: 13px;
    line-height: 1.6;
    color: var(--text-primary);
    overflow-x: auto;
    white-space: pre-wrap;
    word-wrap: break-word;
    display: block;
    margin-bottom: var(--spacing-xs);
}

/* ========================================
   Search Highlighting
   ======================================== */

mark {
    background-color: #fef08a;
    color: #0f172a;
    padding: 2px 4px;
    border-radius: 2px;
}

[data-theme='dark'] mark {
    background-color: #facc15;
    color: #0f172a;
}

.search-highlight-active {
    animation: highlightPulse 2s ease-out;
}

@keyframes highlightPulse {
    0% {
        background-color: rgba(37, 99, 235, 0.3);
        box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.2);
    }
    100% {
        background-color: transparent;
        box-shadow: none;
    }
}

/* ========================================
   Empty States
   ======================================== */

.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--text-secondary);
}

.empty-state-icon {
    font-size: 48px;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

.empty-state-text {
    font-size: 16px;
}

/* ========================================
   PDF Export Specific Styles
   ======================================== */

.pdf-export {
    background-color: white !important;
}

.pdf-export .datasource-card {
    page-break-inside: avoid;
    margin-bottom: var(--spacing-xl);
}

.pdf-export .schema-table {
    font-size: 10px;
}

.pdf-export .card-header {
    page-break-after: avoid;
}

/* ========================================
   Responsive Design
   ======================================== */

/* Desktop (1200px and above) - Optimized for large screens */
@media (min-width: 1200px) {
    .documentation-content {
        padding: var(--spacing-2xl);
        max-width: 1200px;
    }

    .datasource-card {
        margin-bottom: var(--spacing-xl);
    }

    .schema-table {
        font-size: 14px;
    }

    .doc-metadata {
        gap: var(--spacing-lg);
    }
}

/* Tablet (768px to 1199px) */
@media (max-width: 1199px) and (min-width: 768px) {
    .documentation-content {
        padding: var(--spacing-xl);
        max-width: 100%;
    }

    .doc-metadata {
        gap: var(--spacing-md);
    }

    /* Optimize cards for tablet */
    .datasource-card {
        margin-bottom: var(--spacing-lg);
    }

    /* Better readability on tablets */
    .doc-title {
        font-size: 24px;
    }

    .card-title {
        font-size: 17px;
    }

    /* Ensure touch-friendly table interactions */
    .schema-table th {
        min-height: 44px;
        padding: var(--spacing-md) var(--spacing-sm);
    }

    .schema-table td {
        min-height: 40px;
        padding: var(--spacing-sm);
    }

    /* Calculation items optimized for tablets */
    .calculation-item {
        padding: var(--spacing-md);
    }

    /* Code blocks with better horizontal scrolling */
    .code-block,
    .sql-block {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch; /* Smooth scrolling on iOS */
    }

    /* Connection details optimized */
    .detail-row {
        gap: var(--spacing-sm);
    }
}

@media (max-width: 767px) {
    .documentation-content {
        padding: var(--spacing-md);
    }

    .doc-title {
        font-size: 22px;
    }

    .card-header {
        padding: var(--spacing-md);
    }

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

    .schema-table-container {
        font-size: 12px;
    }

    .schema-table th,
    .schema-table td {
        padding: var(--spacing-sm);
    }

    .detail-row {
        flex-direction: column;
        gap: var(--spacing-xs);
    }

    .detail-label {
        min-width: auto;
    }

    .doc-metadata {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}

@media print {
    .documentation-content {
        padding: 0;
    }

    .datasource-card {
        page-break-inside: avoid;
        box-shadow: none;
    }

    .card-header {
        page-break-after: avoid;
    }

    .schema-table {
        font-size: 10px;
    }
}