/* Theme Lab page – uses global.css variables */

.container {
    max-width: 960px;
    margin: 0 auto;
    background-color: var(--surface);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px var(--shadow);
}

.lab-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border);
}

.lab-header-main h1 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.intro {
    color: var(--text-light);
}

.lab-header-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.lab-section {
    margin-top: 1.5rem;
    padding: 1.25rem 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border);
    background-color: var(--card-bg);
}

.lab-section h2 {
    color: var(--primary-color);
    margin-bottom: 0.75rem;
}

.mode-tabs {
    display: inline-flex;
    border-radius: 999px;
    padding: 0.25rem;
    background-color: var(--surface);
    border: 1px solid var(--border);
    margin-bottom: 1rem;
}

.mode-tab {
    border: none;
    padding: 0.5rem 1.25rem;
    border-radius: 999px;
    background: transparent;
    color: var(--text-light);
    cursor: pointer;
    font-weight: 600;
    font-size: 0.95rem;
}

.mode-tab.active {
    background-color: var(--primary-color);
    color: #ffffff;
}

.mode-panel.hidden {
    display: none;
}

.vars-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 0.75rem 1rem;
}

.var-row {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.var-label {
    font-size: 0.9rem;
    color: var(--text);
    display: flex;
    justify-content: space-between;
    gap: 0.5rem;
}

.var-name {
    font-family: monospace;
    color: var(--text-light);
}

.var-input-row {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.var-input-row input[type="color"] {
    width: 42px;
    height: 32px;
    padding: 0;
    border-radius: 4px;
    border: 1px solid var(--border);
    background-color: var(--surface);
}

.var-input-row input[type="text"] {
    flex: 1;
    padding: 0.4rem 0.5rem;
    border-radius: 4px;
    border: 1px solid var(--border);
    font-family: monospace;
    font-size: 0.9rem;
    background-color: var(--surface);
    color: var(--text);
}

.help-text {
    margin-top: 0.5rem;
    color: var(--text-light);
    font-size: 0.9rem;
}

.button-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 0.5rem;
}

.btn-primary,
.btn-secondary {
    padding: 0.6rem 1.4rem;
    border-radius: 4px;
    border: none;
    font-weight: 600;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--primary-color);
    color: #ffffff;
}

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

.btn-secondary {
    background-color: #6c757d;
    color: #ffffff;
}

.btn-secondary:hover {
    background-color: #5a6268;
}

.btn-secondary.danger {
    background-color: var(--error);
}

.btn-secondary.danger:hover {
    background-color: #c82333;
}

.config-json {
    width: 100%;
    margin-top: 0.5rem;
    padding: 0.75rem;
    border-radius: 4px;
    border: 1px solid var(--border);
    font-family: monospace;
    font-size: 0.85rem;
    background-color: var(--surface);
    color: var(--text);
    resize: vertical;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

@media (max-width: 768px) {
    body {
        padding: 0.5rem;
    }

    .container {
        padding: 1.25rem;
    }

    .lab-header {
        flex-direction: column;
        align-items: stretch;
    }
}