:root {
    --primary-color: #007bff;
    --primary-hover: #0056b3;
    --primary-light-bg: #e6f2ff;
    --sidebar-bg: #1e293b;
    --sidebar-text: #cbd5e1;
    --sidebar-active-bg: #334155;
    --main-bg: #f8f9fa;
    --card-bg: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --border-radius: 8px;
    --get-color: #28a745;
    --post-color: #007bff;
    --put-color: #fd7e14;
    --delete-color: #dc3545;
    --status-ok: #28a745;
    --status-created: #17a2b8;
    --status-nocontent: #6c757d;
    --status-notfound: #dc3545;
    --accented-bg: #ffffff;

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

    /* Input */
    --input-bg: #ffffff;
    --input-border: #d1d5db;
    --input-text: #1e293b;
}

/* Dark mode */
[data-theme="dark"] {
    --primary-color: #3b82f6;
    --primary-hover: #60a5fa;
    --primary-light-bg: #1e3a5f;
    --sidebar-bg: #0f172a;
    --sidebar-text: #94a3b8;
    --sidebar-active-bg: #1e293b;
    --main-bg: #111827;
    --card-bg: #1f2937;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --border-color: #374151;
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.3), 0 2px 4px -2px rgb(0 0 0 / 0.2);
    --accented-bg: #1f2937;
    --input-bg: #374151;
    --input-border: #4b5563;
    --input-text: #f1f5f9;
}

[data-theme="dark"] body {
    color-scheme: dark;
}

[data-theme="dark"] input,
[data-theme="dark"] textarea,
[data-theme="dark"] select {
    background-color: var(--input-bg);
    border-color: var(--input-border);
    color: var(--input-text);
}

[data-theme="dark"] .styled-table thead th {
    background-color: #1a2332;
}

[data-theme="dark"] .styled-table tbody tr:nth-of-type(even) {
    background-color: rgba(255, 255, 255, 0.03);
}

[data-theme="dark"] .styled-table tbody tr:hover {
    background-color: rgba(59, 130, 246, 0.15);
}

[data-theme="dark"] .styled-table tbody tr {
    border-bottom-color: var(--border-color);
}

/* Focus visible styles for accessibility */
*:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Skip link for accessibility */
.skip-link {
    position: absolute;
    top: -100%;
    left: var(--space-md);
    background: var(--primary-color);
    color: #fff;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--border-radius);
    z-index: 10000;
    text-decoration: none;
    font-weight: 600;
}

.skip-link:focus {
    top: var(--space-md);
}

body {
    margin: 0;
    font-family: 'Inter', sans-serif;
    background-color: var(--main-bg);
    color: var(--text-primary);
}

/* Utility classes */
.table-scroll-wrapper {
    overflow-x: auto;
    max-width: 100%;
}

.null-value {
    color: var(--text-secondary);
    font-style: italic;
    opacity: 0.7;
}

.truncate-cell {
    max-width: 250px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.tabs {
    margin-bottom: -1px;
}

.tab-btn {
    background: none;
    border: none;
    padding: 10px 20px;
    font-size: 1rem;
    cursor: pointer;
    border-bottom: 3px solid transparent;
    color: var(--text-secondary);
}

.tab-btn.active {
    border-bottom-color: var(--primary-color);
    color: var(--text-primary);
    font-weight: 600;
}

.tab-btn a {
    text-decoration: none;
    color: inherit;
}

.table-container {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 20px;
    border: 1px solid var(--border-color);
}

.table {
    width: calc(100% - 20px);
    border-collapse: collapse;
}

.table th, .table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
}

.table th {
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-size: 0.75rem;
}

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

.styled-table {
    width: 100%;
    border-collapse: collapse;
    margin: 25px 0;
    font-size: 0.9em;
    font-family: sans-serif;
    min-width: 400px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.15);
    border-top-left-radius: 10px;
    border-top-right-radius: 10px;
}

.styled-table thead tr {
    color: var(--text-secondary);
    text-align: left;
}

.styled-table th:first-child {
    border-top-left-radius:10px;
}

.styled-table th:last-child {
    border-top-right-radius:10px;
}

.styled-table th,
    .styled-table td {
    padding: 12px 15px;
    border-bottom: 1px solid var(--border-color);
}

.styled-table thead th {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.75rem;
    background-color: #f8fafc;
    cursor: pointer;
    user-select: none;
}

.styled-table thead th:hover {
    background-color: #eef2f7;
}

.styled-table tbody tr {
    border-bottom: 1px solid #dddddd;
}

.styled-table tbody tr:nth-of-type(even) {
    background-color: #f3f3f3;
}

.styled-table tbody tr:hover {
    background-color: rgba(0, 152, 121, 0.56);
}

.styled-column-max-250 {
    max-width: 250px;
}

.table-row-required {
    font-weight: 900;
}

/* Responsive breakpoints */
@media (max-width: 1200px) {
    .styled-table {
        min-width: unset;
    }
}

@media (max-width: 768px) {
    .styled-table {
        font-size: 0.8em;
    }

    .styled-table th,
    .styled-table td {
        padding: 8px 10px;
    }
}

@media (max-width: 480px) {
    .styled-table th,
    .styled-table td {
        padding: 6px 8px;
        font-size: 0.75rem;
    }
}