:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --secondary-color: #0f172a;
    --success-color: #22c55e;
    --error-color: #ef4444;
    --background-color: #f8fafc;
    --text-color: #334155;
    --card-bg: #ffffff;
    --border-color: #e2e8f0;
    --hover-color: #f1f5f9;
}

/* General Styles */
body {
    background-color: #f8f9fa;
    font-family: 'Inter', sans-serif;
}

/* Global Styles */
body {
    font-family: 'Inter', sans-serif;
    background-color: var(--background-color);
    margin: 0;
    padding: 0;
    color: var(--text-color);
    line-height: 1.6;
}

/* Navbar Styles */
.navbar {
    background-color: #2c3e50;
    background-color: var(--card-bg);
    box-shadow: 0 1px 3px 0 rgba(0,0,0,0.1), 0 1px 2px -1px rgba(0,0,0,0.1);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
}

.navbar-brand {
    color: var(--primary-color) !important;
    font-weight: 700;
    font-size: 1.5rem;
}

.nav-link {
    color: var(--text-color) !important;
    font-weight: 500;
    position: relative;
    transition: all 0.3s ease;
    padding: 0.5rem 1rem !important;
    margin: 0 0.25rem;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* Card Styles */
.card {
    border: none;
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin-bottom: 1.5rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
}

.card-header {
    background-color: #fff;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-bottom: 1px solid rgba(0,0,0,0.1);
    color: white;
    font-weight: 600;
    padding: 1.25rem;
    border-bottom: none;
    position: relative;
    overflow: hidden;
}

.card-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(255,255,255,0.1), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.card:hover .card-header::before {
    opacity: 1;
}

/* Metadata Container Styles */
.metadata-container {
    margin-top: 2rem;
}

/* YouTube Metadata Styles */
.metadata-section {
    background: #f8f9fa;
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.metadata-section:hover {
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    transform: translateY(-2px);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid #e9ecef;
}

.section-header h6 {
    margin: 0;
    color: #495057;
    font-weight: 600;
}

.section-header .actions {
    display: flex;
    gap: 0.5rem;
}

.section-content {
    color: #212529;
    line-height: 1.6;
    font-size: 0.95rem;
}

.tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag-item {
    background: #e9ecef;
    color: #495057;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    transition: all 0.2s ease;
}

.tag-item:hover {
    background: #dee2e6;
    transform: translateY(-1px);
}

/* Title Suggestions Styling */
.titles-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.title-suggestion {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 1rem;
    transition: all 0.3s ease;
    position: relative;
    cursor: pointer;
}

.title-suggestion:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    border-color: var(--primary-color);
}

.title-text {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.score-badges {
    display: flex;
    gap: 1rem;
    margin-top: 0.5rem;
}

.score-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.85rem;
    font-weight: 500;
}

.seo-score {
    background: rgba(99,102,241,0.1);
    color: var(--primary-color);
}

.trend-score {
    background: rgba(34,197,94,0.1);
    color: var(--success-color);
}

.score-value {
    font-weight: 600;
}

/* Enhanced Tags and Keywords Styling */
.tags-container,
.keywords-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    padding: 0.5rem;
}

.tag-item,
.keyword-item {
    background: linear-gradient(135deg, rgba(99,102,241,0.1), rgba(99,102,241,0.2));
    color: var(--primary-color);
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 1px solid transparent;
    cursor: pointer;
}

.tag-item:hover,
.keyword-item:hover {
    transform: translateY(-2px);
    background: linear-gradient(135deg, rgba(99,102,241,0.2), rgba(99,102,241,0.3));
    border-color: var(--primary-color);
}

.keyword-item {
    background: linear-gradient(135deg, rgba(34,197,94,0.1), rgba(34,197,94,0.2));
    color: var(--success-color);
}

.keyword-item:hover {
    background: linear-gradient(135deg, rgba(34,197,94,0.2), rgba(34,197,94,0.3));
    border-color: var(--success-color);
}

/* Loading State */
.loading-state {
    text-align: center;
    padding: 2rem;
}

.loading-state .spinner-border {
    color: #0d6efd;
    width: 3rem;
    height: 3rem;
}

/* Error State */
.error-state {
    background: #fee;
    border-left: 4px solid #dc3545;
    padding: 1rem;
    margin: 1rem 0;
    border-radius: 4px;
}

.error-state p {
    color: #dc3545;
    margin: 0;
}

/* Form Elements */
.form-control {
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
    font-size: 1rem;
    box-shadow: 0 1px 2px 0 rgba(0,0,0,0.05);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99,102,241,0.1);
}

.btn {
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    border-radius: 0.75rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border: none;
    box-shadow: 0 1px 3px 0 rgba(0,0,0,0.1), 0 1px 2px -1px rgba(0,0,0,0.1);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
}

/* Result Container */
.result-container {
    background: var(--card-bg);
    border-radius: 1rem;
    box-shadow: 0 1px 3px 0 rgba(0,0,0,0.1), 0 1px 2px -1px rgba(0,0,0,0.1);
    margin-top: 1.5rem;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.5s ease forwards;
}

/* Loading Animation */
.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.spinner-border {
    width: 3rem;
    height: 3rem;
    color: #007bff;
}

/* Gradio Container */
.gradio-container {
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 1px 3px 0 rgba(0,0,0,0.1);
    background: var(--card-bg);
    transition: all 0.3s ease;
}

/* Tags Styling */
.tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 0.75rem 0;
}

.tag {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.tag:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* Page Loader */
.page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--background-color);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease-out;
}

body.loading {
    overflow: hidden;
}

/* Feature Cards */
.feature-card {
    background: var(--card-bg);
    border-radius: 1rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    height: 100%;
    border: 1px solid var(--border-color);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    border-color: var(--primary-color);
}

.feature-card i {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    transition: all 0.3s ease;
}

.feature-card:hover i {
    transform: scale(1.1);
}

/* Bulk Image Generator Styles */
.image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.image-card {
    background: var(--card-bg);
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.image-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1);
}

.image-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-bottom: 1px solid var(--border-color);
}

.image-card .actions {
    padding: 1rem;
    text-align: center;
}

/* Loading States */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--border-color);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s linear infinite;
}

.page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--background-color);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.page-loader .spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--border-color);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Form Interactions and Loading States */
.form-control:disabled,
.form-select:disabled,
.btn:disabled {
    cursor: not-allowed;
    opacity: 0.7;
}

.btn.loading {
    position: relative;
    pointer-events: none;
    color: transparent !important;
}

.btn.loading::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    width: 1rem;
    height: 1rem;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spin 0.75s linear infinite;
    transform: translate(-50%, -50%);
}

.generation-progress.active {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.7; }
    100% { opacity: 1; }
}

/* Loading State Transitions */
.form-transition-enter {
    opacity: 0;
    transform: translateY(-10px);
}

.form-transition-enter-active {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 300ms, transform 300ms;
}

.form-transition-exit {
    opacity: 1;
}

.form-transition-exit-active {
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 300ms, transform 300ms;
}

/* Enhanced Button States */
.btn-primary:not(:disabled):active {
    transform: scale(0.98);
}

.btn-group {
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    border-radius: 0.75rem;
    overflow: hidden;
}

.btn-group .btn {
    border: none;
    padding: 0.5rem 1rem;
}

.btn-group .btn:not(:last-child) {
    border-right: 1px solid rgba(255,255,255,0.1);
}

/* Form Feedback States */
.form-control:valid:not(:focus) {
    border-color: var(--success-color);
}

.form-control.is-invalid {
    animation: shake 0.5s cubic-bezier(.36,.07,.19,.97) both;
}

/* Loading Indicator Enhancements */
.loading-spinner {
    background: linear-gradient(135deg, rgba(255,255,255,0.1), transparent);
    padding: 2rem;
    border-radius: 1rem;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.loading-spinner .spinner-border {
    width: 3rem;
    height: 3rem;
    border-width: 0.25rem;
    animation-duration: 1s;
}

/* Footer Styling */
footer {
    background-color: var(--card-bg);
    border-top: 1px solid var(--border-color);
    color: var(--text-color);
}

/* Image Generator Styles */
.image-grid-item {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.image-grid-item.loaded {
    opacity: 1;
    transform: translateY(0);
}

.image-grid-item .card {
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: all 0.3s ease;
}

.image-grid-item .card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
}

.image-grid-item .card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: all 0.3s ease;
}

.image-grid-item .card:hover img {
    transform: scale(1.05);
}

.image-loading {
    height: 250px;
    background: linear-gradient(135deg, #f1f5f9, #e2e8f0);
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-group {
    gap: 0.5rem;
}

.progress {
    height: 4px;
    border-radius: 2px;
    overflow: hidden;
}

.progress-bar {
    background: linear-gradient(90deg, var(--primary-color), var(--primary-dark));
}

#loadingIndicator {
    padding: 2rem;
    border-radius: 1rem;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.generating .form-control,
.generating .form-select,
.generating .btn:not(#generateMoreBtn) {
    pointer-events: none;
    opacity: 0.7;
}

/* Animation classes */
.animate__animated {
    animation-duration: 0.5s;
}

.animate__fadeIn {
    animation-name: fadeIn;
}

.animate__fadeOut {
    animation-name: fadeOut;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeOut {
    from {
        opacity: 1;
        transform: translateY(0);
    }
    to {
        opacity: 0;
        transform: translateY(-10px);
    }
}

/* Download button states */
.download-btn.downloading {
    background: var(--primary-dark);
}

.download-btn.success {
    background: var(--success-color);
}

.download-btn.error {
    background: var(--error-color);
}

/* Thumbnail Generator Styles */
.generated-image {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    background: var(--card-bg);
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.generated-image.animate__fadeIn {
    opacity: 1;
    transform: translateY(0);
}

.image-wrapper {
    position: relative;
    background: linear-gradient(135deg, #f1f5f9, #e2e8f0);
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.image-wrapper img {
    width: 100%;
    border-radius: 0.5rem;
    transition: transform 0.3s ease;
}

.image-wrapper:hover img {
    transform: scale(1.02);
}

.generation-details {
    padding: 1rem;
    background: linear-gradient(135deg, rgba(99,102,241,0.05), rgba(99,102,241,0.1));
    border-radius: 0.75rem;
    border-left: 4px solid var(--primary-color);
}

.generation-progress {
    padding: 2rem;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 1rem;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.loading-spinner {
    margin: 1rem auto;
}

.progress {
    height: 6px !important;
    border-radius: 3px;
    overflow: hidden;
    background-color: rgba(99, 102, 241, 0.1);
    margin: 1rem 0;
}

.progress-bar {
    background: linear-gradient(90deg, var(--primary-color), var(--primary-dark));
    transition: width 0.5s ease;
}

#statusText {
    color: var(--text-color);
    font-weight: 500;
    margin: 1rem 0;
}

.generation-metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    background: white;
    padding: 1.5rem;
    border-radius: 0.5rem;
    margin: 1.5rem 0;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.metric-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: rgba(99, 102, 241, 0.05);
    border-radius: 0.5rem;
    transition: all 0.3s ease;
}

.metric-item:hover {
    background: rgba(99, 102, 241, 0.1);
}

.metric-item i {
    color: var(--primary-color);
    font-size: 1.25rem;
}

.metric-item span {
    color: var(--text-color);
    font-weight: 500;
}

.generated-image {
    position: relative;
    margin-top: 2rem;
    text-align: center;
}

.generated-image img {
    max-width: 100%;
    border-radius: 0.75rem;
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.generated-image img:hover {
    transform: scale(1.02);
}

.download-btn {
    position: absolute;
    bottom: 1rem;
    right: 1rem;
    background: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(10px);
}

.generated-image:hover .download-btn {
    opacity: 1;
    transform: translateY(0);
}

.download-btn:hover {
    background: var(--primary-color);
    color: white;
}

/* Thumbnail Generator Specific Styles */
.generation-container {
    position: relative;
    min-height: 200px;
    background: var(--card-bg);
    border-radius: 0.5rem;
    padding: 1.5rem;
    margin-top: 1.5rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.generation-progress {
    position: relative;
    padding: 2rem;
    text-align: center;
    background: rgba(255,255,255,0.9);
    border-radius: 1rem;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
}

.loading-spinner {
    margin: 1.5rem auto;
}

.progress {
    height: 6px !important;
    border-radius: 3px;
    overflow: hidden;
    background-color: rgba(99, 102, 241, 0.1);
    margin: 1rem 0;
}

.progress-bar {
    background: linear-gradient(90deg, var(--primary-color), var(--primary-dark));
    transition: width 0.5s ease;
}

#statusText {
    color: var(--text-color);
    font-weight: 500;
    margin: 1rem 0;
}

.generation-metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    background: white;
    padding: 1.5rem;
    border-radius: 0.5rem;
    margin: 1.5rem 0;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.metric-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: rgba(99, 102, 241, 0.05);
    border-radius: 0.5rem;
    transition: all 0.3s ease;
}

.metric-item:hover {
    background: rgba(99, 102, 241, 0.1);
}

.metric-item i {
    color: var(--primary-color);
    font-size: 1.25rem;
}

.metric-item span {
    color: var(--text-color);
    font-weight: 500;
}

.generated-image {
    position: relative;
    margin-top: 2rem;
    text-align: center;
}

.generated-image img {
    max-width: 100%;
    border-radius: 0.75rem;
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

.generated-image img:hover {
    transform: scale(1.02);
}

.download-btn {
    position: absolute;
    bottom: 1rem;
    right: 1rem;
    background: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(10px);
}

.generated-image:hover .download-btn {
    opacity: 1;
    transform: translateY(0);
}

.download-btn:hover {
    background: var(--primary-color);
    color: white;
}

/* Loading Animation */
@keyframes pulse {
    0% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); opacity: 0.8; }
    100% { transform: scale(1); opacity: 1; }
}

.loading-pulse {
    animation: pulse 1.5s ease-in-out infinite;
}

/* Form Styles Enhancement */
#thumbnailForm .form-control:focus,
#thumbnailForm .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(99, 102, 241, 0.25);
}

#thumbnailForm .btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border: none;
    padding: 0.75rem 1.5rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

#thumbnailForm .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
}

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