/* HTML5 Ad Manager - Superior UI Styles */

/* Upload Section */
.upload-section {
    margin-bottom: 2rem;
    padding: 2rem;
}

.upload-section .card-header {
    margin-bottom: 2rem;
}

.upload-section .card-subtitle {
    color: var(--text-secondary, #64748B);
    font-size: 0.875rem;
    margin-top: 0.5rem;
}

/* Upload Form */
.upload-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Drag & Drop Zone */
.upload-dropzone {
    position: relative;
    border: 2px dashed var(--border-color, #E2E8F0);
    border-radius: var(--radius-xl, 16px);
    background: var(--bg-secondary, #F8FAFC);
    transition: all 0.3s ease;
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.upload-dropzone.dragover {
    border-color: var(--primary, #6366F1);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), rgba(139, 92, 246, 0.05));
    transform: scale(1.02);
}

.dropzone-content {
    text-align: center;
    padding: 2rem;
}

.dropzone-icon {
    font-size: 3rem;
    color: var(--primary, #6366F1);
    margin-bottom: 1rem;
    display: block;
}

.dropzone-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary, #0F172A);
    margin-bottom: 0.5rem;
}

.dropzone-content p {
    color: var(--text-secondary, #64748B);
    margin: 0.5rem 0;
}

.upload-browse-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, var(--primary, #6366F1), var(--secondary, #8B5CF6));
    color: white;
    border-radius: var(--radius-lg, 12px);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    margin: 0.5rem 0;
}

.upload-browse-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(99, 102, 241, 0.3);
}

.dropzone-hint {
    font-size: 0.75rem;
    color: var(--text-tertiary, #94A3B8);
    margin-top: 1rem;
}

/* File Preview in Dropzone */
.dropzone-preview {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: white;
    border-radius: var(--radius-lg, 12px);
    width: 100%;
    max-width: 500px;
}

.file-icon {
    font-size: 2.5rem;
    color: var(--primary, #6366F1);
}

.file-details {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.file-name {
    font-weight: 600;
    color: var(--text-primary, #0F172A);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.file-size {
    font-size: 0.875rem;
    color: var(--text-secondary, #64748B);
}

.file-remove-btn {
    padding: 0.5rem;
    background: var(--danger, #EF4444);
    color: white;
    border: none;
    border-radius: var(--radius-md, 8px);
    cursor: pointer;
    transition: all 0.2s ease;
}

.file-remove-btn:hover {
    background: #DC2626;
    transform: scale(1.1);
}

/* Form Styles */
.upload-details {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    color: var(--text-primary, #0F172A);
    font-size: 0.875rem;
}

.form-group label i {
    color: var(--primary, #6366F1);
}

.form-group input,
.form-group textarea {
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color, #E2E8F0);
    border-radius: var(--radius-md, 8px);
    font-size: 0.875rem;
    font-family: inherit;
    transition: all 0.2s ease;
    background: white;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary, #6366F1);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

/* Upload Progress */
.upload-progress {
    padding: 1.5rem;
    background: var(--bg-secondary, #F8FAFC);
    border-radius: var(--radius-lg, 12px);
}

.progress-bar-container {
    width: 100%;
    height: 8px;
    background: var(--border-color, #E2E8F0);
    border-radius: 999px;
    overflow: hidden;
    margin-bottom: 0.75rem;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary, #6366F1), var(--secondary, #8B5CF6));
    border-radius: 999px;
    transition: width 0.3s ease;
    width: 0%;
}

.progress-text {
    text-align: center;
    font-size: 0.875rem;
    color: var(--text-secondary, #64748B);
    font-weight: 500;
}

/* Form Actions */
.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color, #E2E8F0);
}

/* Ad Library Section */
.ad-library-section {
    margin-top: 2rem;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.section-header h2 {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary, #0F172A);
}

.section-header h2 i {
    color: var(--primary, #6366F1);
}

.library-controls {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.search-box {
    position: relative;
    display: flex;
    align-items: center;
}

.search-box i {
    position: absolute;
    left: 1rem;
    color: var(--text-tertiary, #94A3B8);
}

.search-box input {
    padding: 0.625rem 1rem 0.625rem 2.5rem;
    border: 1px solid var(--border-color, #E2E8F0);
    border-radius: var(--radius-lg, 12px);
    font-size: 0.875rem;
    min-width: 250px;
    background: white;
    transition: all 0.2s ease;
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary, #6366F1);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* Filter Tags */
.filter-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.filter-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--bg-secondary, #F8FAFC);
    border: 1px solid var(--border-color, #E2E8F0);
    border-radius: 999px;
    font-size: 0.875rem;
    color: var(--text-secondary, #64748B);
    cursor: pointer;
    transition: all 0.2s ease;
}

.filter-tag:hover {
    border-color: var(--primary, #6366F1);
    color: var(--primary, #6366F1);
}

.filter-tag.active {
    background: linear-gradient(135deg, var(--primary, #6366F1), var(--secondary, #8B5CF6));
    color: white;
    border-color: transparent;
}

/* Loading State */
.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    text-align: center;
}

.loading-state i {
    font-size: 3rem;
    color: var(--primary, #6366F1);
    margin-bottom: 1rem;
}

.loading-state p {
    color: var(--text-secondary, #64748B);
    font-size: 1rem;
}

/* Empty State */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    text-align: center;
    background: var(--bg-secondary, #F8FAFC);
    border-radius: var(--radius-xl, 16px);
    border: 2px dashed var(--border-color, #E2E8F0);
}

.empty-icon {
    font-size: 4rem;
    color: var(--text-tertiary, #94A3B8);
    margin-bottom: 1rem;
}

.empty-state h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary, #0F172A);
    margin-bottom: 0.5rem;
}

.empty-state p {
    color: var(--text-secondary, #64748B);
}

/* Ad Grid */
.ad-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

/* Ad Card */
.ad-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-xl, 16px);
    border: 1px solid var(--border-color, #E2E8F0);
    overflow: hidden;
    transition: all 0.3s ease;
    cursor: pointer;
}

.ad-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(99, 102, 241, 0.15);
    border-color: var(--primary, #6366F1);
}

.ad-card-header {
    position: relative;
    height: 180px;
    background: linear-gradient(135deg, var(--primary, #6366F1), var(--secondary, #8B5CF6));
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.ad-card-preview {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.ad-card-status {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    padding: 0.375rem 0.75rem;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

.ad-card-status.ready {
    color: var(--success, #10B981);
}

.ad-card-status.ready .status-dot {
    background: var(--success, #10B981);
}

.ad-card-status.pending {
    color: var(--warning, #F59E0B);
}

.ad-card-status.pending .status-dot {
    background: var(--warning, #F59E0B);
}

.ad-card-status.failed {
    color: var(--danger, #EF4444);
}

.ad-card-status.failed .status-dot {
    background: var(--danger, #EF4444);
}

.ad-card-body {
    padding: 1.25rem;
}

.ad-card-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary, #0F172A);
    margin-bottom: 0.5rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.ad-card-description {
    font-size: 0.875rem;
    color: var(--text-secondary, #64748B);
    line-height: 1.5;
    margin-bottom: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.ad-card-meta {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    color: var(--text-tertiary, #94A3B8);
}

.meta-item i {
    color: var(--primary, #6366F1);
}

.meta-value {
    font-weight: 600;
    color: var(--text-secondary, #64748B);
}

.ad-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.375rem;
    margin-bottom: 1rem;
}

.ad-tag {
    padding: 0.25rem 0.625rem;
    background: var(--bg-secondary, #F8FAFC);
    border-radius: 999px;
    font-size: 0.75rem;
    color: var(--text-secondary, #64748B);
    border: 1px solid var(--border-color, #E2E8F0);
}

.ad-card-footer {
    display: flex;
    gap: 0.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color, #E2E8F0);
}

.ad-card-btn {
    flex: 1;
    padding: 0.625rem 1rem;
    border: 1px solid var(--border-color, #E2E8F0);
    border-radius: var(--radius-md, 8px);
    background: white;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.ad-card-btn:hover {
    border-color: var(--primary, #6366F1);
    color: var(--primary, #6366F1);
    background: rgba(99, 102, 241, 0.05);
}

.ad-card-btn.danger:hover {
    border-color: var(--danger, #EF4444);
    color: var(--danger, #EF4444);
    background: rgba(239, 68, 68, 0.05);
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    padding: 2rem 0;
}

.pagination-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    background: white;
    border: 1px solid var(--border-color, #E2E8F0);
    border-radius: var(--radius-lg, 12px);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.pagination-btn:hover:not(:disabled) {
    border-color: var(--primary, #6366F1);
    color: var(--primary, #6366F1);
    background: rgba(99, 102, 241, 0.05);
}

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

.pagination-info {
    font-size: 0.875rem;
    color: var(--text-secondary, #64748B);
    font-weight: 500;
}

/* Modals */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: white;
    border-radius: var(--radius-xl, 16px);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    animation: modalSlideIn 0.3s ease;
}

.preview-modal-content {
    max-width: 1000px;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color, #E2E8F0);
}

.modal-header h2 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary, #0F172A);
}

.modal-close-btn {
    padding: 0.5rem;
    background: var(--bg-secondary, #F8FAFC);
    border: none;
    border-radius: var(--radius-md, 8px);
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--text-secondary, #64748B);
}

.modal-close-btn:hover {
    background: var(--border-color, #E2E8F0);
    color: var(--text-primary, #0F172A);
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    padding: 1.5rem;
    border-top: 1px solid var(--border-color, #E2E8F0);
}

/* Preview Container */
.preview-container {
    position: relative;
    background: var(--bg-secondary, #F8FAFC);
    border-radius: var(--radius-lg, 12px);
    overflow: hidden;
    margin-bottom: 1.5rem;
}

.preview-container iframe {
    width: 100%;
    height: 500px;
    border: none;
}

.preview-info {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.info-label {
    font-size: 0.75rem;
    color: var(--text-tertiary, #94A3B8);
    font-weight: 500;
}

.info-value {
    font-size: 1rem;
    color: var(--text-primary, #0F172A);
    font-weight: 600;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--radius-lg, 12px);
    font-weight: 500;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary, #6366F1), var(--secondary, #8B5CF6));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(99, 102, 241, 0.3);
}

.btn-secondary {
    background: var(--bg-secondary, #F8FAFC);
    color: var(--text-primary, #0F172A);
    border: 1px solid var(--border-color, #E2E8F0);
}

.btn-secondary:hover {
    background: white;
    border-color: var(--primary, #6366F1);
    color: var(--primary, #6366F1);
}

.btn-outline {
    background: white;
    color: var(--text-primary, #0F172A);
    border: 1px solid var(--border-color, #E2E8F0);
}

.btn-outline:hover {
    border-color: var(--primary, #6366F1);
    color: var(--primary, #6366F1);
    background: rgba(99, 102, 241, 0.05);
}

/* Header Button Text */
.header-btn-text {
    display: inline;
}

/* Responsive Design */
@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
    }

    .ad-grid {
        grid-template-columns: 1fr;
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .library-controls {
        width: 100%;
    }

    .search-box input {
        min-width: 100%;
    }

    .preview-info {
        grid-template-columns: 1fr;
    }

    .header-btn-text {
        display: none;
    }
}

/* Dark Mode Support */
body.dark-mode .upload-dropzone {
    background: var(--dark-bg-secondary, #1E293B);
    border-color: var(--dark-border, #334155);
}

body.dark-mode .dropzone-content h3 {
    color: var(--dark-text-primary, #F1F5F9);
}

body.dark-mode .form-group input,
body.dark-mode .form-group textarea,
body.dark-mode .search-box input {
    background: var(--dark-bg-secondary, #1E293B);
    border-color: var(--dark-border, #334155);
    color: var(--dark-text-primary, #F1F5F9);
}

body.dark-mode .ad-card {
    background: rgba(30, 41, 59, 0.95);
    border-color: var(--dark-border, #334155);
}

body.dark-mode .modal-content {
    background: var(--dark-bg-primary, #0F172A);
}

body.dark-mode .empty-state {
    background: var(--dark-bg-secondary, #1E293B);
    border-color: var(--dark-border, #334155);
}