/* /generation/css/gen-styles.css */

body {
    background-color: var(--color-light-gray);
}

.gen-container {
    display: flex;
    width: 100%;
    margin: 0 auto;
    background-color: var(--color-background);
    /* Adjust height to account for the header (approx. 73px) */
    height: calc(100vh - 73px);
    overflow: hidden; /* Prevent whole page from scrolling */
}

.gen-sidebar {
    width: 500px; /* A bit wider for the new layout */
    border-right: 1px solid var(--color-border);
    background-color: #f8f9fa;
    display: flex;
    flex-direction: column;
    height: 100%; /* Make sidebar full height of container */
}

.gen-sidebar__scrollable-content {
    flex-grow: 1;
    overflow-y: auto;
    padding: var(--space-md);
}

.gen-sidebar__section {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-md);
    background-color: #fff;
    margin-bottom: var(--space-md);
}

.gen-sidebar__section:last-child {
    margin-bottom: 0;
}

.gen-sidebar__section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--space-md);
}

.gen-sidebar__title {
    font-size: 1.25rem; /* Slightly smaller title */
    font-weight: var(--font-weight-bold);
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.gen-sidebar__image-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr); /* 2-column grid for smaller thumbnails */
    gap: var(--space-sm); /* Smaller gap to fit more images */
    margin-bottom: var(--space-md);
    max-height: 30vh; /* Fixed height for the container */
    overflow-y: auto; /* Enable vertical scrolling */
    padding-right: 0.5rem; /* Space for scrollbar */
}

.gen-sidebar__image {
    width: 100%;
    max-width: 200px; /* Limit maximum thumbnail size */
    border-radius: var(--radius-md);
    aspect-ratio: 1 / 1;
    object-fit: cover;
    border: 3px solid transparent;
    cursor: pointer;
    transition: border-color 0.2s, transform 0.2s, opacity 0.3s ease-in-out;
    opacity: 0; /* Initially hidden */
}

.gen-sidebar__image.loaded {
    opacity: 1;
}


.gen-sidebar__image--selected {
    border-color: var(--color-primary);
}


.gen-sidebar__footer {
    padding: var(--space-lg);
    border-top: 1px solid var(--color-border);
    background-color: #f8f9fa; /* Match sidebar background */
}

.gen-sidebar__footer .gen-button--primary {
    width: 100%; /* Make button full width */
}

.gen-main-content {
    flex-grow: 1;
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    overflow-y: auto; /* Allow scrolling if content is too tall */
    justify-content: flex-start; /* Align content to the top */
}

.gen-title {
    font-size: 2rem;
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-sm);
}

.gen-subtitle {
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.gen-style-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr); /* 3-column grid for styles */
    gap: var(--space-sm); /* Smaller gap for a tighter layout */
    max-height: 40vh; /* Fixed height for the container */
    overflow-y: auto; /* Enable vertical scrolling */
    padding-right: 0.5rem; /* Space for scrollbar */
}

.gen-style-card {
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
    overflow: hidden;
    background-color: var(--color-background);
}

.gen-style-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-primary-light);
}

.gen-style-card--selected {
    border-color: var(--color-primary);
    transform: translateY(-5px);
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.2);
}

.gen-style-card__image {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    display: block;
    opacity: 0; /* Initially hidden */
    transition: opacity 0.3s ease-in-out;
}

.gen-style-card__image.loaded {
    opacity: 1;
}

.gen-style-card__name {
    padding: var(--space-sm);
    font-weight: var(--font-weight-bold);
    font-size: 0.9rem;
    text-align: center;
}

.gen-skeleton-card {
    background-color: #e9ecef;
    border-radius: var(--radius-md);
    aspect-ratio: 1 / 1.25;
}

.gen-progress-bar {
    width: 100%;
    max-width: 400px;
    height: 20px;
    background-color: var(--color-border);
    border-radius: 10px;
    margin: var(--space-lg) auto;
    overflow: hidden;
}

.gen-progress-bar__inner {
    width: 0%;
    height: 100%;
    background-color: var(--color-primary);
    transition: width 0.5s ease-in-out;
}

.gen-progress-text {
    font-style: italic;
    color: var(--color-text-muted);
}

.gen-result-image-wrapper {
    max-width: 900px; /* Larger result image */
    width: 100%;
    margin: 0 auto var(--space-lg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.gen-result-image {
    width: 100%;
    display: block;
    border-radius: var(--radius-md);
}

.gen-result-actions {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    width: 100%;
    max-width: 600px;
    margin-bottom: var(--space-lg);
}

.gen-button--primary,
.gen-button--secondary {
    padding: var(--space-md);
    border: none;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    font-weight: var(--font-weight-bold);
    cursor: pointer;
    transition: background-color 0.2s, color 0.2s, border-color 0.2s;
}

.gen-button--primary {
    background-color: var(--color-primary);
    color: white;
}

.gen-button--primary:hover:not(:disabled) {
    background-color: #0056b3;
}

.gen-button--primary:disabled {
    background-color: var(--color-border);
    cursor: not-allowed;
}

.gen-button--secondary {
    background-color: transparent;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
}

.gen-button--secondary:hover {
    background-color: var(--color-primary);
    color: white;
}

/* New styles for prompt section */
.gen-sidebar__title--sub {
    margin-top: var(--space-lg);
    margin-bottom: var(--space-xs);
    font-size: 1.1rem;
    border-bottom: none;
}

.gen-sidebar__description {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
}

.gen-sidebar__textarea {
    width: 100%;
    min-height: 100px;
    padding: var(--space-sm);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    font-family: inherit;
    font-size: 0.95rem;
    resize: vertical;
    margin-bottom: var(--space-md);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.gen-sidebar__textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.2);
}

/* Enhanced guest prompt to mimic upload UI */
.gen-guest-upload-prompt {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl) var(--space-lg);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    background-color: var(--color-background);
}

.gen-guest-upload-prompt .upl-icon {
    width: 40px;
    height: 40px;
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
}

.gen-guest-upload-prompt__text {
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
    font-size: 1.1rem;
}

.gen-guest-upload-prompt__subtext {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: var(--space-md);
}

/* Small button variant used in the sidebar header */
.btn--sm {
    padding: var(--space-xs) var(--space-sm);
    font-size: 0.875rem;
}

/* Responsive Styles for Generation Page */
@media (max-width: 992px) {
    .gen-container {
        flex-direction: column;
        height: auto;
        overflow: visible;
    }

    .gen-sidebar {
        width: 100%;
        height: auto;
        border-right: none;
        border-bottom: 1px solid var(--color-border);
    }

    .gen-main-content {
        padding: var(--space-lg) var(--space-md);
    }

    .gen-sidebar__image-list,
    .gen-style-grid {
        max-height: none; /* Allow grids to expand */
    }
}

/* Styles for the new custom theme selector dropdown */
.gen-custom-select {
    position: relative;
    width: 150px; /* Adjust width as needed */
}

.gen-custom-select__trigger {
    width: 100%;
    height: 2.25rem;
    background-color: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: var(--space-xs) var(--space-sm);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text);
    cursor: pointer;
    text-align: left;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.gen-custom-select__trigger:hover {
    border-color: var(--color-primary-light);
}

.gen-custom-select__trigger:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.2);
}

.gen-custom-select__options {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    margin-top: 4px;
    padding: var(--space-xs) 0;
    list-style: none;
    z-index: 10;
    max-height: 200px;
    overflow-y: auto;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.gen-custom-select__option {
    padding: var(--space-sm);
    cursor: pointer;
    font-size: 0.9rem;
    transition: background-color 0.2s;
}

.gen-custom-select__option:hover {
    background-color: #f1f3f5;
}

.gen-custom-select__option.is-selected {
    background-color: var(--color-primary);
    color: white;
    font-weight: var(--font-weight-bold);
}

/* --- Shimmer Loading Animation for Lazy-Loaded Images --- */
@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

.gen-image-loader {
    position: relative;
    overflow: hidden;
    background-color: #e9ecef; /* Placeholder color */
    border-radius: var(--radius-md);
    aspect-ratio: 1 / 1;
}

.gen-image-loader.loading::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.5), transparent);
    animation: shimmer 1.5s infinite;
}

/* Ensure the image inside the loader is positioned correctly */
.gen-image-loader .gen-sidebar__image,
.gen-image-loader .gen-style-card__image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.gen-sidebar__image-list .gen-image-loader {
    max-width: 200px;
}

/* --- New Styles for Results Gallery --- */
.gen-results-container {
    width: 100%;
    max-width: 600px;
    background-color: #f8f9fa; /* A light gray background */
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-md);
    margin-top: var(--space-lg);
}

.gen-results-gallery {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    width: 100%;
    /* max-width is now on the container */
    margin: 0 auto;
}

.gen-results-gallery__main-image-wrapper {
    width: 100%;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    background-color: #e9ecef; /* Placeholder color */
}

.gen-results-gallery__main-image {
    width: 100%;
    display: block;
    aspect-ratio: 1 / 1;
    object-fit: cover;
}

.gen-results-gallery__thumbnails {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
}

.gen-results-gallery__thumbnail {
    width: 100%;
    border-radius: var(--radius-sm);
    border: 3px solid transparent;
    cursor: pointer;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    transition: border-color 0.2s, transform 0.2s;
}

.gen-results-gallery__thumbnail:hover {
    transform: scale(1.05);
}

.gen-results-gallery__thumbnail.is-active {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

/* --- Helper Classes --- */
.hidden {
    display: none !important;
}

/* --- Previous Generations Container --- */
.gen-previous-container {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border: 2px solid #dee2e6;
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    margin-top: var(--space-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.gen-previous-container__title {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
    color: var(--color-text);
}

.gen-previous-container__icon {
    flex-shrink: 0;
    color: var(--color-primary);
}

.gen-previous-container__dropdown {
    width: 100%;
    padding: var(--space-sm);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-md);
    font-size: 0.95rem;
    background-color: white;
    cursor: pointer;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.gen-previous-container__dropdown:hover {
    border-color: var(--color-primary-light);
}

.gen-previous-container__dropdown:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.2);
}

.gen-previous-container__button {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    background-color: white;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
}

.gen-previous-container__button:hover:not(:disabled) {
    background-color: var(--color-primary);
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 123, 255, 0.3);
}

.gen-previous-container__button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    border-color: #ccc;
    color: #999;
}

.gen-previous-container__button:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.2);
}

/* --- New Tab Styles --- */
.gen-tabs {
    display: flex;
    gap: var(--space-sm);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--space-lg);
    width: 100%;
    justify-content: flex-start; /* Align tabs to the left */
}

.gen-tabs__btn {
    padding: var(--space-sm) var(--space-md);
    border: none;
    background-color: transparent;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text-muted);
    border-bottom: 3px solid transparent;
    transition: color 0.2s, border-color 0.2s;
    margin-bottom: -1px; /* Align with the container's border */
}

.gen-tabs__btn:hover {
    color: var(--color-text);
}

.gen-tabs__btn.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.gen-tabs__btn:disabled {
    color: var(--color-border);
    cursor: not-allowed;
}

.gen-tab-content {
    width: 100%;
}

/* The active class will be toggled by JS to show/hide content */
.gen-tab-content:not(.active) {
    display: none;
}

/* Specific centering styles for the generation tab to restore original layout */
#generation-tab-content.active {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    flex-grow: 1; /* Allow this tab to fill the vertical space */
    text-align: center;
}