/* ============================================
   VISUALIZER PAGE STYLES
   ============================================ */

/* === VISUALIZER HERO === */
.visualizer-hero {
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding-top: 100px;
}

.visualizer-hero .hero-content {
    text-align: center;
    max-width: 800px;
    padding: 2rem;
}

.visualizer-hero .hero-title {
    margin-bottom: var(--spacing-md);
}

.visualizer-hero .hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.25rem);
    color: var(--white);
    line-height: 1.8;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.6), 0 4px 24px rgba(0, 0, 0, 0.4);
    font-weight: 500;
}

/* === ANIMATIONS === */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

.fade-in-up {
    animation: fadeInUp 0.8s ease-out forwards;
    opacity: 0;
}

.fade-in-up.delay-1 {
    animation-delay: 0.3s;
}

.fade-in-up.delay-2 {
    animation-delay: 0.6s;
}

.fade-in-up.delay-3 {
    animation-delay: 0.9s;
}

/* === VISUALIZER SECTION === */
.visualizer-section {
    padding: var(--spacing-xl) 0;
}

.visualizer-wrapper {
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.visualizer-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.visualizer-header .section-title {
    margin-bottom: var(--spacing-sm);
}

.visualizer-header .section-subtitle {
    color: var(--slate-gray-light);
    font-size: 1.125rem;
    max-width: 600px;
    margin: 0 auto;
}

/* === DEMO SECTION === */
.demo-section {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 2px solid rgba(212, 175, 55, 0.2);
}

.demo-title {
    color: var(--white);
    font-size: 1.75rem;
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
    text-align: center;
}

.demo-subtitle {
    color: var(--slate-gray-light);
    font-size: 1rem;
    text-align: center;
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.demo-slider {
    margin-bottom: var(--spacing-md);
}

.demo-cta {
    text-align: center;
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background: rgba(212, 175, 55, 0.1);
    border-radius: var(--border-radius-md);
    border: 1px solid rgba(212, 175, 55, 0.3);
}

.demo-cta p {
    color: var(--white);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.demo-cta svg {
    color: var(--brushed-gold);
    animation: bounce 2s infinite;
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateY(0);
    }

    40% {
        transform: translateY(-10px);
    }

    60% {
        transform: translateY(-5px);
    }
}

/* === DECOR8 CONTAINER === */
.decor8-container {
    min-height: 400px;
    position: relative;
}

.visualizer-step {
    margin-bottom: var(--spacing-lg);
}

.step-title {
    color: var(--white);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
    font-weight: 700;
}

/* === UPLOAD ZONE === */
.upload-zone {
    background: rgba(0, 0, 0, 0.3);
    border: 2px dashed rgba(212, 175, 55, 0.4);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-base);
}

.upload-zone:hover {
    border-color: rgba(212, 175, 55, 0.8);
    background: rgba(212, 175, 55, 0.05);
}

.upload-zone.drag-over {
    border-color: var(--brushed-gold);
    background: rgba(212, 175, 55, 0.1);
    transform: scale(1.02);
}

.upload-content svg {
    color: var(--brushed-gold);
    margin-bottom: 1rem;
}

.upload-content h4,
.upload-content .upload-title {
    color: var(--white);
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.upload-content p {
    color: var(--slate-gray-light);
    margin-bottom: 1rem;
}

.file-types {
    display: inline-block;
    font-size: 0.875rem;
    color: var(--slate-gray);
    background: rgba(255, 255, 255, 0.05);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-sm);
}

/* === IMAGE PREVIEW === */
.image-preview {
    position: relative;
    margin-top: var(--spacing-md);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
}

.image-preview img {
    width: 100%;
    max-height: 500px;
    object-fit: contain;
    display: block;
    background: rgba(0, 0, 0, 0.5);
}

.btn-remove {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(220, 38, 38, 0.9);
    color: white;
    border: none;
    padding: 0.75rem 1.25rem;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    transition: all var(--transition-base);
}

.btn-remove:hover {
    background: rgba(220, 38, 38, 1);
    transform: translateY(-2px);
}

/* === ROOM TYPE SELECTOR === */
.room-type-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--spacing-md);
}

.room-type-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md);
    color: var(--white);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    font-weight: 600;
    transition: all var(--transition-base);
}

.room-type-btn svg {
    color: var(--brushed-gold);
}

.room-type-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(212, 175, 55, 0.5);
    transform: translateY(-2px);
}

.room-type-btn.selected {
    background: rgba(212, 175, 55, 0.2);
    border-color: var(--brushed-gold);
}

/* === COLOR SELECTION === */
.color-section {
    margin-bottom: var(--spacing-lg);
}

.color-category {
    color: var(--white);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}

.color-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: var(--spacing-sm);
}

.color-swatch {
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-md);
    padding: 0.75rem;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    transition: all var(--transition-base);
}

.color-swatch:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(212, 175, 55, 0.5);
    transform: translateY(-2px);
}

.color-swatch.selected {
    background: rgba(212, 175, 55, 0.2);
    border-color: var(--brushed-gold);
}

.swatch-color {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 3px solid rgba(255, 255, 255, 0.2);
    display: block;
}

.swatch-name {
    color: var(--white);
    font-size: 0.875rem;
    font-weight: 500;
    text-align: center;
}

/* === CUSTOM COLOR INPUT === */
.custom-color-section {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.custom-color-input {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

#custom-color-picker {
    width: 60px;
    height: 60px;
    border: 2px solid rgba(212, 175, 55, 0.5);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    background: transparent;
}

#custom-hex-input {
    flex: 1;
    min-width: 150px;
    padding: 0.75rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-md);
    color: var(--white);
    font-family: monospace;
    font-size: 1rem;
}

#custom-hex-input:focus {
    outline: none;
    border-color: var(--brushed-gold);
}

/* === VISUALIZE BUTTON === */
.visualize-btn {
    width: 100%;
    margin-top: var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.visualize-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* === RESULTS DISPLAY === */
.visualizer-results {
    margin-top: var(--spacing-xl);
}

/* Before/After Comparison Slider */
.comparison-slider {
    margin-bottom: var(--spacing-lg);
}

.comparison-container {
    position: relative;
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    overflow: hidden;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    border: 2px solid rgba(212, 175, 55, 0.3);
    user-select: none;
    -webkit-user-select: none;
}

.comparison-after,
.comparison-before {
    position: relative;
    width: 100%;
    height: 100%;
}

.comparison-after {
    display: block;
}

.comparison-before {
    position: absolute;
    top: 0;
    left: 0;
    width: 50%;
    height: 100%;
    overflow: hidden;
}

.comparison-after img,
.comparison-before img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    pointer-events: none;
}

.comparison-before img {
    position: absolute;
    top: 0;
    left: 0;
    width: auto;
    min-width: 100%;
    height: 100%;
}

/* Slider Handle */
.comparison-handle {
    position: absolute;
    top: 0;
    left: 50%;
    width: 4px;
    height: 100%;
    background: var(--brushed-gold);
    cursor: ew-resize;
    transform: translateX(-50%);
    z-index: 10;
    transition: opacity 0.2s ease;
}

.comparison-handle:hover {
    opacity: 0.9;
}

.handle-line {
    position: absolute;
    left: 50%;
    width: 2px;
    height: 100%;
    background: var(--brushed-gold);
    transform: translateX(-50%);
}

.handle-circle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 64px;
    height: 64px;
    background: var(--brushed-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
    transition: transform 0.2s ease;
}

.comparison-handle:hover .handle-circle {
    transform: translate(-50%, -50%) scale(1.1);
}

.handle-circle svg {
    color: var(--navy-blue-dark);
    width: 20px;
    height: 20px;
}

/* Comparison Labels */
.comparison-label {
    position: absolute;
    top: 1rem;
    padding: 0.5rem 1rem;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--white);
    font-weight: 700;
    font-size: 0.875rem;
    border-radius: var(--border-radius-sm);
    z-index: 5;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.comparison-label-before {
    left: 1rem;
}

.comparison-label-after {
    right: 1rem;
}

.comparison-hint {
    text-align: center;
    color: var(--slate-gray-light);
    font-size: 0.9375rem;
    margin-top: var(--spacing-md);
    font-style: italic;
}

.results-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}

/* === LOADING OVERLAY === */
.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(13, 43, 62, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    border-radius: var(--border-radius-lg);
}

.loading-content {
    text-align: center;
}

.spinner {
    width: 64px;
    height: 64px;
    border: 4px solid rgba(212, 175, 55, 0.2);
    border-top-color: var(--brushed-gold);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1.5rem;
}

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

.loading-content h3 {
    color: var(--white);
    margin-bottom: 0.5rem;
}

.loading-content p {
    color: var(--slate-gray-light);
}

/* === INSTRUCTIONS === */
.visualizer-instructions {
    margin-top: var(--spacing-lg);
}

.visualizer-instructions h3 {
    color: var(--white);
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.instruction-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.instruction-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--border-radius-md);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all var(--transition-base);
}

.instruction-item:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(212, 175, 55, 0.3);
    transform: translateY(-2px);
}

.instruction-number {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gradient-gold);
    color: var(--navy-blue-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    font-family: var(--font-display);
}

.instruction-content h4,
.instruction-content .instruction-step-title {
    color: var(--white);
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.instruction-content p {
    color: var(--slate-gray-light);
    font-size: 0.9375rem;
    line-height: 1.6;
}

/* AI Detection Note */
.ai-detection-note {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background: rgba(212, 175, 55, 0.1);
    border-left: 4px solid var(--brushed-gold);
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.ai-detection-note svg {
    flex-shrink: 0;
    color: var(--brushed-gold);
    margin-top: 0.25rem;
}

.ai-detection-note p {
    color: var(--slate-gray-light);
    font-size: 0.9375rem;
    line-height: 1.6;
    margin: 0;
}

.ai-detection-note strong {
    color: var(--white);
    font-weight: 600;
}

/* === VISUALIZER CTA === */
.visualizer-cta {
    text-align: center;
    padding: var(--spacing-xl);
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--border-radius-lg);
    border: 2px solid rgba(212, 175, 55, 0.3);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.visualizer-cta h3 {
    color: var(--white);
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.visualizer-cta p {
    color: var(--slate-gray-light);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.visualizer-cta .btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
}

/* === RESPONSIVE === */
@media (max-width: 1024px) {
    .visualizer-wrapper {
        padding: var(--spacing-lg);
    }

    .color-grid {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    }

    .instruction-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
}

@media (max-width: 768px) {
    .visualizer-hero {
        min-height: 50vh;
        padding-top: 80px;
    }

    .visualizer-hero .hero-content {
        padding: 1.5rem;
    }

    .visualizer-wrapper {
        padding: var(--spacing-md);
    }

    .upload-zone {
        padding: var(--spacing-lg);
    }

    .room-type-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .color-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .results-comparison {
        grid-template-columns: 1fr;
    }

    .instruction-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .visualizer-cta {
        padding: var(--spacing-lg);
    }

    .visualizer-cta h3 {
        font-size: 1.5rem;
    }

    .visualizer-cta p {
        font-size: 1rem;
    }

    .results-actions {
        flex-direction: column;
    }

    .results-actions .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .visualizer-hero .hero-title {
        font-size: 2rem;
    }

    .visualizer-wrapper {
        padding: var(--spacing-sm);
    }

    .upload-zone {
        padding: var(--spacing-md);
    }

    .room-type-grid {
        grid-template-columns: 1fr;
    }

    .step-title {
        font-size: 1.25rem;
    }

    .instruction-item {
        padding: var(--spacing-sm);
    }

    .instruction-number {
        width: 40px;
        height: 40px;
        font-size: 1.25rem;
    }

    .visualizer-cta {
        padding: var(--spacing-md);
    }

    .custom-color-input {
        flex-direction: column;
        align-items: stretch;
    }

    #custom-hex-input {
        width: 100%;
    }
}