/**
 * Design Tab — Generate 3D CSS
 * Styles for Building Ideas Generator, 3D placement, progress indicators, and results grid
 */

/* ============================================
   Generate 3D — Modal Container
   ============================================ */
.gen3d-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    z-index: 5000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
}

.gen3d-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.gen3d-modal {
    background: var(--bg-secondary, #1e1e2e);
    border: 1px solid var(--border-color, #333);
    border-radius: 12px;
    width: min(94vw, 860px);
    max-height: 88vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.5);
    animation: gen3d-slide-up 0.3s ease;
}

@keyframes gen3d-slide-up {
    from {
        transform: translateY(20px);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.gen3d-modal-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color, #333);
}

.gen3d-modal-header h3 {
    margin: 0;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary, #fff);
    flex: 1;
}

.gen3d-modal-close {
    background: none;
    border: none;
    color: var(--text-secondary, #999);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: color 0.15s, background 0.15s;
}

.gen3d-modal-close:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
}

.gen3d-modal-body {
    padding: 20px;
    overflow-y: auto;
    flex: 1;
}

/* ============================================
   Generate 3D — Form Elements
   ============================================ */
.gen3d-form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.gen3d-form-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.gen3d-form-group.full-width {
    grid-column: 1 / -1;
}

.gen3d-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary, #aaa);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.gen3d-input,
.gen3d-select,
.gen3d-textarea {
    background: var(--bg-tertiary, #252535);
    border: 1px solid var(--border-color, #333);
    border-radius: 6px;
    color: var(--text-primary, #fff);
    padding: 8px 10px;
    font-size: 13px;
    outline: none;
    transition: border-color 0.15s;
}

.gen3d-input:focus,
.gen3d-select:focus,
.gen3d-textarea:focus {
    border-color: var(--accent, #F59E0B);
}

.gen3d-textarea {
    resize: vertical;
    min-height: 60px;
    font-family: inherit;
}

.gen3d-select {
    cursor: pointer;
}

/* ============================================
   Reference Images Upload
   ============================================ */
.gen3d-ref-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}

.gen3d-ref-slot {
    aspect-ratio: 1;
    border: 2px dashed var(--border-color, #444);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
    position: relative;
    overflow: hidden;
    background: var(--bg-tertiary, #252535);
}

.gen3d-ref-slot:hover {
    border-color: var(--accent, #F59E0B);
    background: rgba(245, 158, 11, 0.06);
}

.gen3d-ref-slot img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 6px;
}

.gen3d-ref-slot .gen3d-ref-remove {
    position: absolute;
    top: 4px;
    right: 4px;
    background: rgba(0, 0, 0, 0.7);
    border: none;
    color: #ff5555;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 12px;
    opacity: 0;
    transition: opacity 0.15s;
}

.gen3d-ref-slot:hover .gen3d-ref-remove {
    opacity: 1;
}

.gen3d-ref-placeholder {
    color: var(--text-secondary, #666);
    font-size: 11px;
    text-align: center;
}

/* ============================================
   Generate Button
   ============================================ */
.gen3d-btn-primary {
    background: linear-gradient(135deg, var(--accent, #F59E0B), #D97706);
    color: #000;
    border: none;
    border-radius: 8px;
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: transform 0.1s, filter 0.15s;
    width: 100%;
    margin-top: 16px;
}

.gen3d-btn-primary:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
}

.gen3d-btn-primary:active {
    transform: translateY(0);
}

.gen3d-btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    filter: none;
}

.gen3d-btn-secondary {
    background: var(--bg-tertiary, #252535);
    color: var(--text-primary, #fff);
    border: 1px solid var(--border-color, #444);
    border-radius: 6px;
    padding: 8px 14px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: background 0.15s, border-color 0.15s;
}

.gen3d-btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--accent, #F59E0B);
}

/* ============================================
   Results Grid
   ============================================ */
.gen3d-results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 12px;
    margin-top: 16px;
}

.gen3d-result-card {
    background: var(--bg-tertiary, #252535);
    border: 1px solid var(--border-color, #333);
    border-radius: 8px;
    overflow: hidden;
    transition: border-color 0.2s, box-shadow 0.2s;
    cursor: pointer;
}

.gen3d-result-card:hover {
    border-color: var(--accent, #F59E0B);
    box-shadow: 0 4px 16px rgba(245, 158, 11, 0.15);
}

.gen3d-result-card.selected {
    border-color: var(--accent, #F59E0B);
    box-shadow: 0 0 0 2px rgba(245, 158, 11, 0.3);
}

.gen3d-result-img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    display: block;
}

.gen3d-result-actions {
    padding: 8px;
    display: flex;
    gap: 6px;
    justify-content: center;
}

.gen3d-result-btn {
    background: none;
    border: 1px solid var(--border-color, #444);
    color: var(--text-secondary, #aaa);
    border-radius: 4px;
    padding: 4px 8px;
    font-size: 11px;
    cursor: pointer;
    transition: all 0.15s;
}

.gen3d-result-btn:hover {
    color: #fff;
    border-color: var(--accent, #F59E0B);
}

/* ============================================
   Progress Indicator
   ============================================ */
.gen3d-progress {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 40px 20px;
}

.gen3d-spinner {
    width: 48px;
    height: 48px;
    border: 3px solid var(--border-color, #333);
    border-top-color: var(--accent, #F59E0B);
    border-radius: 50%;
    animation: gen3d-spin 0.8s linear infinite;
}

@keyframes gen3d-spin {
    to {
        transform: rotate(360deg);
    }
}

.gen3d-progress-text {
    font-size: 13px;
    color: var(--text-secondary, #aaa);
    text-align: center;
}

.gen3d-progress-bar {
    width: 100%;
    max-width: 300px;
    height: 4px;
    background: var(--bg-tertiary, #252535);
    border-radius: 2px;
    overflow: hidden;
}

.gen3d-progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent, #F59E0B), #D97706);
    border-radius: 2px;
    transition: width 0.3s ease;
    width: 0%;
}

/* ============================================
   3D Provider Selector
   ============================================ */
.gen3d-provider-row {
    display: flex;
    gap: 8px;
}

.gen3d-provider-card {
    flex: 1;
    padding: 10px;
    background: var(--bg-tertiary, #252535);
    border: 2px solid var(--border-color, #333);
    border-radius: 8px;
    cursor: pointer;
    text-align: center;
    transition: border-color 0.2s, background 0.2s;
}

.gen3d-provider-card:hover {
    border-color: rgba(245, 158, 11, 0.5);
}

.gen3d-provider-card.selected {
    border-color: var(--accent, #F59E0B);
    background: rgba(245, 158, 11, 0.08);
}

.gen3d-provider-name {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-primary, #fff);
}

.gen3d-provider-desc {
    font-size: 10px;
    color: var(--text-secondary, #888);
    margin-top: 2px;
}

/* ============================================
   Placement Crosshair
   ============================================ */
.gen3d-placement-cursor {
    position: absolute;
    pointer-events: none;
    z-index: 100;
    width: 32px;
    height: 32px;
    border: 2px solid var(--accent, #F59E0B);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 12px rgba(245, 158, 11, 0.4);
}

.gen3d-placement-cursor::before,
.gen3d-placement-cursor::after {
    content: '';
    position: absolute;
    background: var(--accent, #F59E0B);
}

.gen3d-placement-cursor::before {
    width: 2px;
    height: 12px;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

.gen3d-placement-cursor::after {
    width: 12px;
    height: 2px;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

/* ============================================
   Step Navigation (Wizard style)
   ============================================ */
.gen3d-steps {
    display: flex;
    gap: 4px;
    margin-bottom: 20px;
}

.gen3d-step {
    flex: 1;
    text-align: center;
    padding: 8px 4px;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary, #666);
    border-bottom: 2px solid var(--border-color, #333);
    transition: all 0.2s;
    cursor: pointer;
}

.gen3d-step:hover {
    color: var(--text-primary, #ddd);
    border-bottom-color: rgba(245, 158, 11, 0.4);
}

.gen3d-step.active {
    color: var(--accent, #F59E0B);
    border-bottom-color: var(--accent, #F59E0B);
}

.gen3d-step.completed {
    color: #22c55e;
    border-bottom-color: #22c55e;
}

/* ============================================
   3D Layer Properties Panel (extended)
   ============================================ */
.gen3d-layer-props {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.gen3d-layer-section {
    padding-top: 8px;
    border-top: 1px solid var(--border-color, #333);
}

.gen3d-layer-section-title {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--text-secondary, #888);
    margin-bottom: 8px;
}

.gen3d-transform-grid {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 4px 8px;
    align-items: center;
}

.gen3d-transform-label {
    font-size: 11px;
    color: var(--text-secondary, #aaa);
    font-weight: 600;
}

.gen3d-transform-inputs {
    display: flex;
    gap: 4px;
}

.gen3d-transform-input {
    background: var(--bg-tertiary, #252535);
    border: 1px solid var(--border-color, #333);
    border-radius: 4px;
    color: var(--text-primary, #fff);
    padding: 4px 6px;
    font-size: 11px;
    width: 100%;
    outline: none;
    text-align: center;
}

.gen3d-transform-input:focus {
    border-color: var(--accent, #F59E0B);
}

.gen3d-toggle-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 4px 0;
}

.gen3d-toggle-label {
    font-size: 12px;
    color: var(--text-primary, #ddd);
}

.gen3d-source-btn {
    background: var(--bg-tertiary, #252535);
    border: 1px solid var(--border-color, #444);
    color: var(--text-secondary, #aaa);
    border-radius: 6px;
    padding: 6px 10px;
    font-size: 11px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    width: 100%;
    transition: all 0.15s;
}

.gen3d-source-btn:hover {
    color: #fff;
    border-color: var(--accent, #F59E0B);
}

/* ============================================
   Status Badge
   ============================================ */
.gen3d-status-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 10px;
    font-weight: 600;
}

.gen3d-status-badge.ready {
    background: rgba(34, 197, 94, 0.15);
    color: #22c55e;
}

.gen3d-status-badge.generating {
    background: rgba(245, 158, 11, 0.15);
    color: #F59E0B;
}

.gen3d-status-badge.error {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
}

/* ============================================
   Panel Tool Entry
   ============================================ */
.gen3d-tool-card {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.08), rgba(217, 119, 6, 0.04));
    border: 1px solid rgba(245, 158, 11, 0.2);
    border-radius: 8px;
    padding: 14px;
    cursor: pointer;
    transition: all 0.2s;
}

.gen3d-tool-card:hover {
    border-color: var(--accent, #F59E0B);
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.12), rgba(217, 119, 6, 0.08));
    transform: translateY(-1px);
}

.gen3d-tool-card h5 {
    margin: 0 0 4px 0;
    font-size: 13px;
    color: var(--text-primary, #fff);
    display: flex;
    align-items: center;
    gap: 8px;
}

.gen3d-tool-card p {
    margin: 0;
    font-size: 11px;
    color: var(--text-secondary, #888);
    line-height: 1.4;
}

/* ============================================
   Direct Upload Section
   ============================================ */
.gen3d-divider-label {
    text-align: center;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary, #888);
    margin: 12px 0 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.gen3d-divider-label::before,
.gen3d-divider-label::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-color, #333);
}

.gen3d-upload-drop:hover {
    border-color: var(--accent, #F59E0B) !important;
    background: rgba(245, 158, 11, 0.04);
}

/* ============================================
   Multi-Image Upload Grid (Convert to 3D)
   ============================================ */
.gen3d-multiimg-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}

.gen3d-multiimg-slot {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.gen3d-multiimg-label {
    font-size: 10px;
    font-weight: 700;
    text-align: center;
    color: var(--text-secondary, #999);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.gen3d-multiimg-drop {
    aspect-ratio: 1;
    border: 2px dashed var(--border-color, #444);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
    background: var(--bg-tertiary, #252535);
    overflow: hidden;
}

.gen3d-multiimg-drop:hover {
    border-color: var(--accent, #F59E0B);
    background: rgba(245, 158, 11, 0.06);
}

.gen3d-multiimg-hint {
    color: var(--text-secondary, #666);
    font-size: 12px;
    font-weight: 600;
}

/* ============================================
   Provider-Specific Options
   ============================================ */
.gen3d-provider-options {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    padding: 12px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color, #333);
    border-radius: 8px;
    margin-top: 4px;
}

/* ============================================
   Layer Item List
   ============================================ */
.gen3d-layer-item {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 5px 8px;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.15s, border-color 0.15s;
    border: 1px solid transparent;
    margin-bottom: 2px;
}

.gen3d-layer-item:hover {
    background: rgba(255, 255, 255, 0.04);
}

.gen3d-layer-item.selected {
    border-color: var(--accent, #F59E0B);
    background: rgba(245, 158, 11, 0.08);
}

.gen3d-layer-vis,
.gen3d-layer-lock,
.gen3d-layer-del,
.gen3d-layer-dup {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 12px;
    padding: 2px;
    border-radius: 3px;
    transition: background 0.15s;
    line-height: 1;
}

.gen3d-layer-vis:hover,
.gen3d-layer-lock:hover,
.gen3d-layer-dup:hover {
    background: rgba(255, 255, 255, 0.1);
}

.gen3d-layer-del,
.gen3d-layer-dup {
    margin-left: auto;
    opacity: 0;
    transition: opacity 0.15s;
    font-size: 11px;
}

.gen3d-layer-dup {
    margin-left: 0;
}

.gen3d-layer-item:hover .gen3d-layer-del,
.gen3d-layer-item:hover .gen3d-layer-dup {
    opacity: 0.6;
}

.gen3d-layer-del:hover {
    opacity: 1 !important;
    background: rgba(239, 68, 68, 0.15);
}

.gen3d-layer-color {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

.gen3d-layer-name {
    font-size: 11px;
    color: var(--text-primary, #ddd);
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.gen3d-layer-provider {
    font-size: 9px;
    color: var(--text-secondary, #888);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ============================================
   Placement Banner
   ============================================ */
.gen3d-placement-banner {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 10px 20px;
    background: rgba(30, 30, 46, 0.9);
    backdrop-filter: blur(8px);
    border: 1px solid var(--accent, #F59E0B);
    border-radius: 10px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary, #fff);
    animation: gen3d-slide-up 0.3s ease;
}

/* ============================================
   Gizmo Mode Toolbar
   ============================================ */
.gen3d-gizmo-toolbar {
    display: flex;
    gap: 4px;
    margin-top: 4px;
}

.gen3d-gizmo-btn {
    flex: 1;
    padding: 6px 0;
    background: var(--bg-tertiary, #252535);
    border: 1px solid var(--border-color, #444);
    border-radius: 4px;
    color: var(--text-secondary, #aaa);
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    transition: all 0.15s;
}

.gen3d-gizmo-btn:hover {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-primary, #fff);
}

.gen3d-gizmo-btn.active {
    border-color: var(--accent, #F59E0B);
    color: var(--accent, #F59E0B);
    background: rgba(245, 158, 11, 0.1);
}