/* ===================================
   Venue Visualizer - Premium Styles
   =================================== */

/* ===== Section ===== */
.section-venue {
    background: linear-gradient(160deg, #f9f7f4 0%, #f0ece6 100%);
    position: relative;
    overflow: hidden;
}

.section-venue::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(201, 123, 90, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

/* ===== Upload Zone ===== */
.venue-upload-zone {
    border: 2px dashed var(--color-gray-300);
    border-radius: var(--radius-2xl);
    padding: var(--space-16) var(--space-12);
    text-align: center;
    background: var(--color-white);
    transition: all var(--transition-normal);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.venue-upload-zone::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(201, 123, 90, 0.05) 0%, rgba(26, 26, 46, 0.03) 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.venue-upload-zone:hover::before,
.venue-upload-zone.drag-over::before {
    opacity: 1;
}

.venue-upload-zone:hover,
.venue-upload-zone.drag-over {
    border-color: var(--color-accent);
    border-style: solid;
    background: rgba(255, 255, 255, 1);
    box-shadow: 0 0 0 4px rgba(201, 123, 90, 0.1), 0 20px 60px rgba(0,0,0,0.08);
    transform: translateY(-2px);
}

.venue-upload-zone.drag-over {
    transform: scale(1.01) translateY(-2px);
}

/* Upload Content */
.upload-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-4);
    position: relative;
    z-index: 1;
}

.upload-icon-wrapper {
    width: 96px;
    height: 96px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(201, 123, 90, 0.12) 0%, rgba(201, 123, 90, 0.06) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-normal);
    position: relative;
}

.upload-icon-wrapper::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 2px dashed rgba(201, 123, 90, 0.3);
    animation: spin-slow 8s linear infinite;
}

.venue-upload-zone:hover .upload-icon-wrapper {
    background: linear-gradient(135deg, rgba(201, 123, 90, 0.2) 0%, rgba(201, 123, 90, 0.1) 100%);
    transform: scale(1.05);
}

.upload-icon-wrapper svg {
    width: 40px;
    height: 40px;
    color: var(--color-accent-dark);
    transition: transform var(--transition-normal);
}

.venue-upload-zone:hover .upload-icon-wrapper svg {
    transform: translateY(-3px);
}

.upload-content h3 {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    color: var(--color-gray-800);
    margin: 0;
}

.upload-content p {
    font-size: var(--text-base);
    color: var(--color-gray-500);
    margin: 0;
    max-width: 360px;
    line-height: var(--leading-relaxed);
}

.upload-meta {
    display: flex;
    gap: var(--space-4);
    align-items: center;
    margin-top: var(--space-2);
}

.upload-meta span {
    font-size: var(--text-xs);
    color: var(--color-gray-400);
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.upload-meta span::before {
    content: '•';
    color: var(--color-accent);
}

.upload-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-8);
    background: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    letter-spacing: var(--tracking-wide);
    transition: all var(--transition-normal);
    border: none;
    cursor: pointer;
    margin-top: var(--space-2);
}

.upload-cta-btn:hover {
    background: var(--color-accent);
    color: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(201, 123, 90, 0.3);
}

.upload-cta-btn svg {
    width: 16px;
    height: 16px;
}

/* Drag overlay hint */
.venue-upload-zone.drag-over .upload-content h3 {
    color: var(--color-accent-dark);
}

/* ===== Preview Area ===== */
.venue-preview-area {
    width: 100%;
    max-width: 960px;
    margin: 0 auto;
}

/* File info bar */
.venue-file-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3) var(--space-5);
    background: var(--color-white);
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-5);
    box-shadow: var(--shadow-sm);
}

.venue-file-name {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-gray-700);
}

.venue-file-name svg {
    width: 18px;
    height: 18px;
    color: var(--color-accent);
    flex-shrink: 0;
}

.venue-file-size {
    font-size: var(--text-xs);
    color: var(--color-gray-400);
    font-weight: var(--font-normal);
    margin-left: var(--space-2);
}

/* ===== Comparison Wrapper ===== */
.venue-comparison-wrapper {
    position: relative;
    width: 100%;
    border-radius: var(--radius-2xl);
    overflow: hidden;
    background: var(--color-gray-900);
    margin-bottom: var(--space-6);
    box-shadow: 0 20px 60px rgba(0,0,0,0.15);
}

.venue-image-container {
    position: relative;
    width: 100%;
}

.venue-image-container img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    max-height: 560px;
}

/* Generated image overlay with slider */
.venue-image-container.generated {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    clip-path: inset(0 50% 0 0);
    z-index: 10;
    transition: clip-path 0.05s linear;
}

.venue-image-container.generated img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* Comparison slider */
.comparison-slider {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 3px;
    background: white;
    z-index: 20;
    cursor: ew-resize;
    transform: translateX(-50%);
    box-shadow: 0 0 10px rgba(0,0,0,0.3);
    display: none;
}

.comparison-slider.active {
    display: block;
}

.comparison-slider-handle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: white;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2px;
}

.comparison-slider-handle svg {
    width: 20px;
    height: 20px;
    color: var(--color-gray-700);
}

/* Image Labels */
.image-label {
    position: absolute;
    top: var(--space-4);
    left: var(--space-4);
    background: rgba(0, 0, 0, 0.55);
    color: white;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    backdrop-filter: blur(8px);
}

.image-label.generated-label {
    left: auto;
    right: var(--space-4);
    background: rgba(201, 123, 90, 0.8);
    color: var(--color-primary-dark);
}

/* ===== Loading Overlay ===== */
.venue-loading-overlay {
    position: absolute;
    inset: 0;
    background: rgba(10, 10, 20, 0.75);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: white;
    z-index: 20;
    backdrop-filter: blur(6px);
    border-radius: var(--radius-2xl);
}

.venue-loading-spinner {
    width: 56px;
    height: 56px;
    position: relative;
    margin-bottom: var(--space-5);
}

.venue-loading-spinner::before,
.venue-loading-spinner::after {
    content: '';
    position: absolute;
    border-radius: 50%;
}

.venue-loading-spinner::before {
    inset: 0;
    border: 3px solid rgba(255,255,255,0.15);
}

.venue-loading-spinner::after {
    inset: 0;
    border: 3px solid transparent;
    border-top-color: var(--color-accent);
    animation: spin 0.9s linear infinite;
}

.venue-loading-title {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    font-weight: var(--font-medium);
    margin-bottom: var(--space-2);
}

.venue-loading-subtitle {
    font-size: var(--text-sm);
    color: rgba(255,255,255,0.6);
}

/* ===== Controls ===== */
.venue-controls {
    display: flex;
    justify-content: center;
    gap: var(--space-3);
    flex-wrap: wrap;
}

.venue-controls .btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
}

.venue-controls .btn svg {
    width: 16px;
    height: 16px;
}

/* Visualize button — premium gradient */
.btn-venue-visualize {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
    color: var(--color-primary-dark);
    font-weight: var(--font-semibold);
    padding: var(--space-4) var(--space-10);
    border-radius: var(--radius-full);
    font-size: var(--text-base);
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: 0 4px 20px rgba(201, 123, 90, 0.25);
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
}

.btn-venue-visualize:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(201, 123, 90, 0.4);
}

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

.btn-venue-visualize svg {
    width: 18px;
    height: 18px;
}

/* Download result button */
.btn-venue-download {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    background: var(--color-white);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-gray-700);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-venue-download:hover {
    border-color: var(--color-accent);
    color: var(--color-accent-dark);
}

.btn-venue-download svg {
    width: 15px;
    height: 15px;
}

/* Regenerate button */
.btn-venue-regenerate {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    background: linear-gradient(135deg, rgba(201, 123, 90, 0.1) 0%, rgba(201, 123, 90, 0.05) 100%);
    border: 2px solid var(--color-accent);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: var(--font-semibold);
    color: var(--color-accent-dark);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-venue-regenerate:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
    color: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(201, 123, 90, 0.3);
}

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

.btn-venue-regenerate svg {
    width: 15px;
    height: 15px;
}

/* Slider usage hint */
.slider-hint {
    display: none;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3);
    font-size: var(--text-xs);
    color: var(--color-gray-400);
    text-align: center;
    animation: fadeIn 0.5s ease;
}

.slider-hint.visible {
    display: flex;
}

.slider-hint svg {
    width: 16px;
    height: 16px;
    color: var(--color-accent);
}

/* ===== Validation Error ===== */
.venue-upload-error {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    background: rgba(199, 80, 80, 0.08);
    border: 1px solid rgba(199, 80, 80, 0.2);
    border-radius: var(--radius-xl);
    margin-top: var(--space-4);
    animation: shake 0.4s cubic-bezier(.36,.07,.19,.97);
}

.venue-upload-error svg {
    width: 20px;
    height: 20px;
    color: var(--color-error);
    flex-shrink: 0;
}

.venue-upload-error p {
    font-size: var(--text-sm);
    color: var(--color-error);
    margin: 0;
}

/* ===== Animations ===== */
@keyframes spin-slow {
    to { transform: rotate(360deg); }
}

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

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-8px); }
    40% { transform: translateX(8px); }
    60% { transform: translateX(-5px); }
    80% { transform: translateX(5px); }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes resultReveal {
    from { opacity: 0; transform: scale(0.97); }
    to { opacity: 1; transform: scale(1); }
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .venue-upload-zone {
        padding: var(--space-10) var(--space-6);
    }

    .upload-icon-wrapper {
        width: 72px;
        height: 72px;
    }

    .upload-icon-wrapper svg {
        width: 30px;
        height: 30px;
    }

    .upload-content h3 {
        font-size: var(--text-xl);
    }
}

@media (max-width: 480px) {
    .venue-controls {
        flex-direction: column;
        align-items: center;
    }

    .btn-venue-visualize,
    .btn-venue-regenerate,
    .btn-venue-download {
        width: 100%;
        justify-content: center;
    }
}