/* =====================================================
   Typography Lab — Extended Styles
   Full page modal, code modal, section previews
   ===================================================== */

/* Header Layout Updates */
.header-top {
    max-width: 1600px;
    margin: 0 auto;
    padding: var(--space-md) var(--space-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
    flex-wrap: wrap;
}

.header-actions {
    display: flex;
    gap: var(--space-sm);
    align-items: center;
    flex-wrap: wrap;
}

.header-controls {
    max-width: 1600px;
    margin: 0 auto;
    padding: var(--space-sm) var(--space-xl);
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
    align-items: flex-end;
    border-top: 1px solid var(--border);
    background: var(--bg-secondary);
}

/* =====================================================
   Full Page Modal
   ===================================================== */

.full-page-modal {
    position: fixed;
    inset: 0;
    z-index: 200;
    background: var(--bg);
    overflow: auto;
}

.full-page-modal.hidden {
    display: none;
}

.full-page-header {
    position: sticky;
    top: 0;
    z-index: 10;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) var(--space-xl);
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}

.full-page-header h3 {
    font-size: var(--scale-h3);
    font-weight: 700;
}

.full-page-actions {
    display: flex;
    gap: var(--space-sm);
}

.full-page-content {
    padding: var(--space-xl);
    max-width: 500px;
    margin: 0 auto;
}

.full-page-preview {
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25);
}

.full-page-device-frame .device-notch {
    width: 100px;
    height: 24px;
    background: #000;
    border-radius: 0 0 12px 12px;
    margin: 0 auto;
}

/* =====================================================
   Code Modal
   ===================================================== */

.modal-lg {
    max-width: 700px;
}

.code-tabs {
    display: flex;
    gap: var(--space-xs);
    margin-bottom: var(--space-md);
}

.code-tab {
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: var(--scale-small);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.code-tab.active {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

.code-content {
    background: #1e1e1e;
    border-radius: var(--radius-md);
    padding: var(--space-md);
    max-height: 400px;
    overflow: auto;
    margin-bottom: var(--space-md);
}

.code-content pre {
    margin: 0;
    white-space: pre-wrap;
    word-break: break-all;
}

.code-content code {
    font-family: 'Fira Code', 'Monaco', monospace;
    font-size: 12px;
    line-height: 1.6;
    color: #d4d4d4;
}

/* =====================================================
   Section Previews
   ===================================================== */

.section-preview {
    margin-bottom: 0;
}

.section-preview .section-inner {
    max-width: 100%;
}

.sections-container {
    overflow-y: auto;
    max-height: 500px;
}

/* =====================================================
   Mobile Frame Updates
   ===================================================== */

.phone-header {
    padding: 0;
}

.frame-actions {
    display: flex;
    gap: var(--space-xs);
    padding: var(--space-sm);
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
}

.frame-btn {
    flex: 1;
    padding: var(--space-xs) var(--space-sm);
    font-size: 11px;
    font-weight: 600;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg);
    color: var(--text);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.frame-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.frame-btn.locked {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

.lock-btn.locked {
    background: linear-gradient(135deg, var(--accent), #8b5cf6);
}

.generate-btn:hover {
    background: var(--accent-light);
}

/* =====================================================
   Variant Meta Updates
   ===================================================== */

.variant-meta {
    padding: var(--space-sm);
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
}

.meta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-bottom: 4px;
}

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

.meta-badge {
    padding: 2px 6px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 9px;
    font-weight: 500;
    color: var(--text-secondary);
}

.approach-badge {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
    font-weight: 700;
}

.contrast-badge {
    font-size: 9px;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
}

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

.contrast-badge.fail {
    background: #fef3c7;
    color: #92400e;
}

.palette-swatches {
    display: flex;
    gap: 3px;
}

.swatch {
    width: 14px;
    height: 14px;
    border-radius: 3px;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.swatch.large {
    width: 24px;
    height: 24px;
    border-radius: var(--radius-sm);
}

/* =====================================================
   Approach Section Updates
   ===================================================== */

.approach-section {
    margin-bottom: var(--space-xl);
}

.approach-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 2px solid var(--border);
}

.approach-info {
    flex: 1;
    min-width: 280px;
}

.approach-title {
    font-size: var(--scale-h2);
    font-weight: 700;
    margin-bottom: var(--space-xs);
}

.approach-fonts {
    margin-bottom: var(--space-sm);
}

.font-tag {
    display: inline-block;
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-size: var(--scale-small);
    font-weight: 600;
}

.font-tag.heading {
    background: var(--accent-light);
    color: var(--accent);
}

.font-tag.body {
    background: #fef3c7;
    color: #92400e;
}

.approach-description {
    color: var(--text-secondary);
    font-size: var(--scale-body);
    margin-bottom: var(--space-sm);
}

.approach-style {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
}

.style-tag {
    font-size: var(--scale-xs);
    padding: 2px 6px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
}

.approach-controls {
    display: flex;
    gap: var(--space-sm);
}

/* =====================================================
   Mobile Grid
   ===================================================== */

.mobile-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-lg);
}

.mobile-frame {
    background: var(--bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.mobile-frame:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.phone-screen {
    min-height: 400px;
}

/* =====================================================
   Responsive Updates
   ===================================================== */

@media (max-width: 768px) {

    .header-top,
    .header-controls {
        padding: var(--space-sm) var(--space-md);
    }

    .header-actions {
        width: 100%;
        justify-content: center;
    }

    .header-controls {
        justify-content: center;
    }

    .full-page-content {
        padding: var(--space-md);
    }

    .approach-header {
        flex-direction: column;
    }

    .approach-controls {
        width: 100%;
    }

    .mobile-grid {
        grid-template-columns: 1fr;
    }
}