:root {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --success: #22c55e;
    --warning: #f59e0b;
    --error: #ef4444;
    --border: #475569;
    --shadow: rgba(0, 0, 0, 0.3);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

h1 {
    font-size: 1.75rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

h1 .icon {
    font-size: 1.5rem;
}

.connection-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--error);
}

.status-dot.connected {
    background: var(--success);
}

/* Upload Section */
.upload-section {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 2rem;
    border: 1px solid var(--border);
}

.upload-section h2 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.upload-form {
    display: grid;
    gap: 1.5rem;
}

.drop-zone {
    border: 2px dashed var(--border);
    border-radius: 8px;
    padding: 3rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
    background: var(--bg-tertiary);
}

.drop-zone:hover,
.drop-zone.dragover {
    border-color: var(--accent);
    background: rgba(59, 130, 246, 0.1);
}

.drop-zone .icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.drop-zone p {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.drop-zone .formats {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.drop-zone input[type="file"] {
    display: none;
}

.selected-file {
    display: none;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-tertiary);
    border-radius: 8px;
    margin-top: 1rem;
}

.selected-file.visible {
    display: flex;
}

.selected-file .file-icon {
    font-size: 2rem;
}

.selected-file .file-info {
    flex: 1;
}

.selected-file .file-name {
    font-weight: 500;
}

.selected-file .file-size {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.selected-file .remove-file {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1.5rem;
    padding: 0.25rem;
}

.selected-file .remove-file:hover {
    color: var(--error);
}

/* Form Controls */
.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

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

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group select,
.form-group input {
    padding: 0.75rem 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 1rem;
}

.form-group select:focus,
.form-group input:focus {
    outline: none;
    border-color: var(--accent);
}

.form-group input[type="range"] {
    padding: 0;
    height: 6px;
    -webkit-appearance: none;
    background: var(--bg-tertiary);
    border-radius: 3px;
}

.form-group input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    background: var(--accent);
    border-radius: 50%;
    cursor: pointer;
}

.range-value {
    font-size: 0.875rem;
    color: var(--text-muted);
    text-align: right;
}

/* SSML Options Checkbox */
.ssml-options {
    margin-top: -0.5rem;
}

.checkbox-group {
    flex-direction: row !important;
    align-items: flex-start !important;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    font-size: 0.95rem;
    color: var(--text-primary);
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent);
    cursor: pointer;
}

.checkbox-text {
    font-weight: 500;
}

.checkbox-hint {
    display: block;
    margin-top: 0.25rem;
    margin-left: 1.75rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

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

.btn-primary:hover:not(:disabled) {
    background: var(--accent-hover);
}

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

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--border);
}

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

.btn-danger:hover {
    background: #dc2626;
}

/* Jobs Section */
.jobs-section {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 2rem;
    border: 1px solid var(--border);
}

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

.jobs-header h2 {
    font-size: 1.25rem;
}

.jobs-count {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.jobs-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.job-card {
    background: var(--bg-tertiary);
    border-radius: 8px;
    padding: 1.25rem;
    border: 1px solid var(--border);
}

.job-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.job-title {
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.job-meta {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.job-status {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
}

.job-status.pending {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning);
}

.job-status.parsing,
.job-status.converting,
.job-status.building,
.job-status.uploading {
    background: rgba(59, 130, 246, 0.2);
    color: var(--accent);
}

.job-status.completed {
    background: rgba(34, 197, 94, 0.2);
    color: var(--success);
}

.job-status.failed,
.job-status.cancelled {
    background: rgba(239, 68, 68, 0.2);
    color: var(--error);
}

.job-progress {
    margin-bottom: 1rem;
}

.progress-bar {
    height: 6px;
    background: var(--bg-secondary);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.progress-fill {
    height: 100%;
    background: var(--accent);
    border-radius: 3px;
    transition: width 0.3s ease;
}

.progress-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.job-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 0.75rem;
    font-size: 0.875rem;
    margin-bottom: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}

.job-detail {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.job-detail-label {
    color: var(--text-muted);
    font-size: 0.75rem;
    text-transform: uppercase;
}

.job-detail-value {
    color: var(--text-secondary);
}

.job-actions {
    display: flex;
    gap: 0.5rem;
    justify-content: flex-end;
}

.job-actions .btn {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.job-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--error);
    border-radius: 6px;
    padding: 0.75rem 1rem;
    margin-top: 1rem;
    font-size: 0.875rem;
    color: var(--error);
}

.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--text-muted);
}

.empty-state .icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

/* Animations */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.job-status.parsing .spinner,
.job-status.converting .spinner {
    animation: pulse 1.5s infinite;
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }

    header {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

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

    .job-header {
        flex-direction: column;
        gap: 0.75rem;
    }

    .job-actions {
        justify-content: stretch;
    }

    .job-actions .btn {
        flex: 1;
    }
}

/* Toast notifications */
.toast-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    z-index: 1000;
}

.toast {
    padding: 1rem 1.5rem;
    border-radius: 8px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    box-shadow: 0 4px 12px var(--shadow);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    animation: slideIn 0.3s ease;
}

.toast.success {
    border-color: var(--success);
}

.toast.error {
    border-color: var(--error);
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Preview Section */
.preview-section {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 2rem;
    border: 1px solid var(--border);
}

.preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.preview-header h2 {
    font-size: 1.25rem;
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.preview-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.preview-main {
    display: flex;
    gap: 1.5rem;
}

.preview-cover {
    width: 150px;
    height: 200px;
    background: var(--bg-tertiary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    overflow: hidden;
}

.preview-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.preview-cover .no-cover {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.preview-info {
    flex: 1;
}

.preview-info h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.preview-author {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 1rem;
}

.preview-description {
    color: var(--text-muted);
    font-size: 0.875rem;
    line-height: 1.6;
    max-height: 100px;
    overflow-y: auto;
}

.preview-stats {
    display: flex;
    gap: 2rem;
    padding: 1rem;
    background: var(--bg-tertiary);
    border-radius: 8px;
}

.preview-stats .stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
}

.preview-stats .stat-value {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--accent);
}

.preview-stats .stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
}

.preview-costs h4,
.preview-chapters h4 {
    font-size: 1rem;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.cost-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 0.75rem;
}

.cost-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    background: var(--bg-tertiary);
    border-radius: 6px;
}

.cost-provider {
    font-weight: 500;
}

.cost-value {
    color: var(--success);
    font-weight: 600;
}

.cost-value.paid {
    color: var(--warning);
}

.cost-single {
    background: var(--bg-tertiary);
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
}

.cost-details {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.cost-provider-label {
    font-size: 1rem;
    color: var(--text-secondary);
}

.cost-value-large {
    font-size: 2rem;
    font-weight: 700;
    color: var(--success);
}

.cost-value-large.paid {
    color: var(--warning);
}

.cost-value-large.free {
    color: var(--success);
}

.cost-note {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.chapter-list {
    max-height: 300px;
    overflow-y: auto;
    background: var(--bg-tertiary);
    border-radius: 8px;
    padding: 0.5rem;
}

.chapter-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border);
}

.chapter-item:last-child {
    border-bottom: none;
}

.chapter-title {
    font-weight: 500;
}

.chapter-words {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.preview-actions {
    display: flex;
    justify-content: center;
    padding-top: 1rem;
}

.preview-actions .btn {
    min-width: 250px;
}

@media (max-width: 768px) {
    .preview-main {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .preview-stats {
        flex-wrap: wrap;
        justify-content: center;
    }

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

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.btn-icon {
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 0.5rem 0.75rem;
    font-size: 1.25rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-icon:hover {
    background: var(--bg-secondary);
    border-color: var(--accent);
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: var(--bg-primary);
    border-radius: 12px;
    border: 1px solid var(--border);
    max-width: 900px;
    width: 90%;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border);
}

.modal-header h2 {
    margin: 0;
    font-size: 1.25rem;
}

.modal-close {
    background: transparent;
    border: none;
    font-size: 1.5rem;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.modal-close:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border);
    background: var(--bg-secondary);
    border-radius: 0 0 12px 12px;
}

/* Settings Tabs */
.settings-tabs {
    display: flex;
    gap: 0;
    border-bottom: 1px solid var(--border);
    background: var(--bg-secondary);
    padding: 0 1rem;
}

.tab-btn {
    background: transparent;
    border: none;
    padding: 1rem 1.25rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.tab-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.tab-btn.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

/* Settings Body */
.settings-body {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.settings-section {
    margin-bottom: 2rem;
}

.settings-section:last-child {
    margin-bottom: 0;
}

.settings-section h3 {
    font-size: 1rem;
    margin: 0 0 1rem 0;
    color: var(--text-primary);
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
}

.section-description {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

/* Form Elements in Settings */
.settings-modal .form-group {
    margin-bottom: 1rem;
}

.settings-modal .form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.settings-modal .form-group input[type="text"],
.settings-modal .form-group input[type="password"],
.settings-modal .form-group input[type="number"],
.settings-modal .form-group select {
    width: 100%;
    padding: 0.625rem 0.875rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 0.875rem;
    transition: border-color 0.2s ease;
}

.settings-modal .form-group input:focus,
.settings-modal .form-group select:focus {
    outline: none;
    border-color: var(--accent);
}

.settings-modal .form-group small {
    display: block;
    margin-top: 0.375rem;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.checkbox-label {
    display: flex !important;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 1rem;
    height: 1rem;
    accent-color: var(--accent);
}

.connection-result {
    margin-left: 1rem;
    font-size: 0.875rem;
}

.connection-result.success {
    color: var(--success);
}

.connection-result.error {
    color: var(--error);
}

/* Pricing list */
.pricing-list {
    list-style: none;
    padding: 0;
    margin: 0.5rem 0;
}

.pricing-list li {
    padding: 0.25rem 0;
    color: var(--text-secondary);
}

.pricing-list li strong {
    color: var(--text-primary);
}

/* Spinner animation */
.spinner {
    display: inline-block;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Button loading state */
.btn:disabled {
    opacity: 0.8;
    cursor: wait;
}

/* Responsive Settings Modal */
@media (max-width: 600px) {
    .settings-tabs {
        overflow-x: auto;
        padding: 0 0.5rem;
    }

    .tab-btn {
        padding: 0.75rem 1rem;
        font-size: 0.8rem;
    }

    .settings-body {
        padding: 1rem;
    }

    .modal-content {
        width: 95%;
        max-height: 90vh;
    }
}

/* Main Tab Navigation */
.main-tabs {
    display: flex;
    gap: 0;
    margin-bottom: 2rem;
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 0.25rem;
    border: 1px solid var(--border);
}

.main-tab {
    flex: 1;
    background: transparent;
    border: none;
    padding: 1rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.main-tab:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.main-tab.active {
    background: var(--accent);
    color: white;
}

.main-tab-content {
    display: none;
}

.main-tab-content.active {
    display: block;
}

/* OPDS Section */
.opds-section {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 2rem;
    border: 1px solid var(--border);
}

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

.opds-header h2 {
    font-size: 1.25rem;
    margin: 0;
}

.opds-sources {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.opds-sources label {
    font-weight: 500;
    color: var(--text-secondary);
}

.opds-sources select {
    flex: 1;
    min-width: 200px;
    padding: 0.75rem 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 1rem;
}

.opds-search {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    align-items: center;
}

.opds-search-type {
    padding: 0.75rem 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 0.9rem;
    cursor: pointer;
    min-width: 120px;
}

.opds-search-type:focus {
    outline: none;
    border-color: var(--accent);
}

.opds-search input {
    flex: 1;
    padding: 0.75rem 1rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 1rem;
}

.opds-search input:focus {
    outline: none;
    border-color: var(--accent);
}

.opds-breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    font-size: 0.875rem;
}

.opds-breadcrumb-item {
    color: var(--accent);
    cursor: pointer;
    text-decoration: none;
}

.opds-breadcrumb-item:hover {
    text-decoration: underline;
}

.opds-breadcrumb-separator {
    color: var(--text-muted);
}

.opds-breadcrumb-current {
    color: var(--text-secondary);
}

.opds-content {
    min-height: 300px;
}

.opds-empty {
    text-align: center;
    padding: 3rem;
    color: var(--text-muted);
}

.opds-empty .icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.opds-loading {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
}

.opds-loading .spinner {
    font-size: 2rem;
    margin-bottom: 1rem;
    display: block;
}

/* OPDS Catalog Grid */
.opds-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1.5rem;
}

.opds-entry {
    background: var(--bg-tertiary);
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 1px solid transparent;
}

.opds-entry:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.opds-entry-cover {
    width: 100%;
    height: 200px;
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.opds-entry-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.opds-entry-cover .no-cover {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.opds-entry-cover .nav-icon {
    font-size: 3rem;
}

.opds-entry-info {
    padding: 1rem;
}

.opds-entry-title {
    font-weight: 500;
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.opds-entry-author {
    font-size: 0.8rem;
    color: var(--text-muted);
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.opds-entry-format {
    display: inline-block;
    margin-top: 0.5rem;
    padding: 0.25rem 0.5rem;
    background: var(--accent);
    color: white;
    font-size: 0.7rem;
    border-radius: 4px;
    text-transform: uppercase;
}

/* OPDS Navigation Entry */
.opds-entry.navigation .opds-entry-cover {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-hover) 100%);
}

.opds-entry.navigation .opds-entry-cover .nav-icon {
    color: white;
}

/* OPDS Book Modal */
.opds-book-modal {
    max-width: 600px;
}

.opds-book-content {
    display: flex;
    gap: 1.5rem;
    padding: 1.5rem;
}

.opds-book-cover {
    width: 150px;
    height: 200px;
    background: var(--bg-tertiary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    overflow: hidden;
}

.opds-book-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.opds-book-info {
    flex: 1;
}

.opds-book-author {
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
}

.opds-book-summary {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.6;
    max-height: 100px;
    overflow-y: auto;
    margin-bottom: 0.75rem;
}

.opds-book-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.opds-book-categories {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.opds-book-category {
    padding: 0.25rem 0.5rem;
    background: var(--bg-tertiary);
    border-radius: 4px;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.opds-book-downloads {
    padding: 0 1.5rem 1.5rem;
}

.opds-book-downloads h4 {
    margin-bottom: 1rem;
    font-size: 1rem;
    color: var(--text-secondary);
}

.download-options {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.download-option {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    background: var(--bg-tertiary);
    border-radius: 6px;
    border: 1px solid var(--border);
}

.download-option-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.download-option-format {
    padding: 0.25rem 0.5rem;
    background: var(--accent);
    color: white;
    font-size: 0.75rem;
    border-radius: 4px;
    text-transform: uppercase;
    font-weight: 500;
}

.download-option-format.unsupported {
    background: var(--text-muted);
}

.download-option-title {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* OPDS Sources Modal */
.opds-sources-list {
    padding: 1.5rem;
    max-height: 300px;
    overflow-y: auto;
}

.opds-source-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: 6px;
    margin-bottom: 0.75rem;
    border: 1px solid var(--border);
}

.opds-source-item:last-child {
    margin-bottom: 0;
}

.opds-source-info {
    flex: 1;
}

.opds-source-name {
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.opds-source-url {
    font-size: 0.8rem;
    color: var(--text-muted);
    word-break: break-all;
}

.opds-source-desc {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.opds-source-actions {
    display: flex;
    gap: 0.5rem;
}

.opds-source-badge {
    display: inline-block;
    padding: 0.125rem 0.5rem;
    background: var(--accent);
    color: white;
    font-size: 0.7rem;
    border-radius: 4px;
    margin-left: 0.5rem;
}

.opds-add-source {
    padding: 1.5rem;
    border-top: 1px solid var(--border);
    background: var(--bg-secondary);
}

.opds-add-source h4 {
    margin-bottom: 1rem;
    font-size: 1rem;
}

/* Form Actions */
.form-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.form-actions .btn {
    flex: 1;
    min-width: 150px;
}

/* Test Voice Modal */
.test-voice-modal {
    max-width: 500px;
}

.test-voice-body {
    padding: 1.5rem;
}

.test-voice-info {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: 8px;
}

.test-voice-detail {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.test-voice-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
}

.test-voice-value {
    font-weight: 500;
    color: var(--text-primary);
}

.test-voice-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.test-voice-status {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.test-voice-status.success {
    color: var(--success);
}

.test-voice-status.error {
    color: var(--error);
}

.test-voice-player {
    margin-top: 1rem;
}

.test-voice-player audio {
    width: 100%;
    display: none;
}

.test-voice-player audio[src]:not([src=""]) {
    display: block;
}

.test-voice-body textarea {
    width: 100%;
    padding: 0.75rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 0.875rem;
    resize: vertical;
    font-family: inherit;
}

.test-voice-body textarea:focus {
    outline: none;
    border-color: var(--accent);
}

/* Pagination */
.opds-pagination {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
}

/* Worker Progress Bars */
.worker-progress-container {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    margin-top: 0.75rem;
    padding: 0.5rem;
    background: var(--bg-tertiary);
    border-radius: 6px;
}

.worker-progress {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
}

.worker-progress.idle {
    opacity: 0.5;
}

.worker-label {
    width: 24px;
    font-weight: 600;
    color: var(--accent);
}

.worker-bar {
    flex: 1;
    height: 8px;
    background: var(--bg-primary);
    border-radius: 4px;
    overflow: hidden;
}

.worker-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), var(--success));
    border-radius: 4px;
    transition: width 0.2s ease;
}

.worker-progress.idle .worker-fill {
    background: var(--text-muted);
}

.worker-info {
    width: 90px;
    text-align: right;
    color: var(--text-secondary);
    font-family: monospace;
    font-size: 0.7rem;
}

@media (max-width: 768px) {
    .main-tabs {
        flex-direction: column;
    }

    .main-tab {
        text-align: center;
    }

    .opds-sources {
        flex-direction: column;
        align-items: stretch;
    }

    .opds-sources select {
        width: 100%;
    }

    .opds-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
        gap: 1rem;
    }

    .opds-book-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .opds-book-meta {
        justify-content: center;
    }

    .opds-book-categories {
        justify-content: center;
    }
}

/* Providers Table */
.providers-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

.providers-table th,
.providers-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.providers-table th {
    background: var(--bg-tertiary);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    color: var(--text-secondary);
}

.providers-table tbody tr {
    cursor: pointer;
    transition: background 0.2s;
}

.providers-table tbody tr:hover {
    background: var(--bg-tertiary);
}

.providers-table .provider-name {
    font-weight: 500;
}

.providers-table .provider-type {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.providers-table .status-badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 500;
}

.providers-table .status-badge.available {
    background: rgba(34, 197, 94, 0.2);
    color: var(--success);
}

.providers-table .status-badge.unavailable {
    background: rgba(239, 68, 68, 0.2);
    color: var(--error);
}

.providers-table .status-badge.disabled {
    background: rgba(100, 116, 139, 0.2);
    color: var(--text-muted);
}

.providers-table .check-icon {
    color: var(--success);
}

.providers-table .default-badge {
    background: var(--accent);
    color: white;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
}

/* Provider Edit Modal */
.provider-edit-modal {
    max-width: 450px;
    max-height: 90vh;
}

.provider-edit-modal .modal-body {
    padding: 1rem 1.5rem;
    max-height: 70vh;
    overflow-y: auto;
}

.provider-edit-modal .form-group {
    margin-bottom: 0.6rem;
}

.provider-edit-modal .form-group label {
    display: block;
    margin-bottom: 0.25rem;
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.9rem;
}

.provider-edit-modal .form-group input[type="text"],
.provider-edit-modal .form-group input[type="password"],
.provider-edit-modal .form-group input[type="number"],
.provider-edit-modal .form-group select {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-size: 0.9rem;
}

.provider-edit-modal .form-group small {
    display: block;
    margin-top: 0.15rem;
    color: var(--text-muted);
    font-size: 0.75rem;
}

.provider-edit-modal .checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    cursor: pointer;
    font-size: 0.9rem;
}

.provider-edit-modal .checkbox-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
}

.full-width {
    width: 100% !important;
}

.provider-edit-status {
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    margin-bottom: 0.6rem;
    font-size: 0.85rem;
}

.provider-edit-status.available {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid var(--success);
    color: var(--success);
}

.provider-edit-status.unavailable {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--error);
    color: var(--error);
}

.provider-edit-status.disabled {
    background: rgba(100, 116, 139, 0.1);
    border: 1px solid var(--text-muted);
    color: var(--text-muted);
}

/* Section Header Row */
.section-header-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
    gap: 1rem;
}

.section-header-row h3 {
    margin-bottom: 0.25rem;
}

.section-header-row .section-description {
    margin: 0;
}

/* OPDS Sources Table */
.opds-sources-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.opds-sources-table th,
.opds-sources-table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.opds-sources-table th {
    background: var(--bg-tertiary);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    color: var(--text-secondary);
}

.opds-sources-table tbody tr:hover {
    background: var(--bg-tertiary);
}

.opds-sources-table .source-name {
    font-weight: 500;
}

.opds-sources-table .source-url {
    color: var(--text-secondary);
    font-size: 0.85rem;
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.opds-sources-table .source-actions {
    display: flex;
    gap: 0.5rem;
}

.opds-sources-table .source-actions .btn {
    padding: 0.35rem 0.6rem;
    font-size: 0.8rem;
}

.opds-sources-table .auth-badge {
    display: inline-block;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    background: var(--accent);
    color: white;
}

.opds-sources-table .no-auth {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* OPDS Source Modal */
.opds-source-modal {
    max-width: 500px;
}

.opds-source-modal .modal-body {
    padding: 1.5rem;
}

.opds-source-modal .form-group {
    margin-bottom: 1rem;
}

.opds-source-modal .form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
}

.opds-source-modal .form-group input[type="text"],
.opds-source-modal .form-group input[type="password"] {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-size: 0.95rem;
}

.opds-source-modal .checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

/* Authentication Modals */
.auth-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.login-modal,
.setup-modal {
    background: var(--bg-secondary);
    border-radius: 12px;
    padding: 2rem;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 20px 60px var(--shadow);
}

.login-modal h2,
.setup-modal h2 {
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    text-align: center;
}

.setup-modal p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    text-align: center;
}

.login-modal .form-group,
.setup-modal .form-group {
    margin-bottom: 1rem;
}

.login-modal .form-group label,
.setup-modal .form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
}

.login-modal .form-group input,
.setup-modal .form-group input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-size: 1rem;
}

.login-modal .form-group input:focus,
.setup-modal .form-group input:focus {
    outline: none;
    border-color: var(--accent);
}

.login-modal .error-message,
.setup-modal .error-message {
    color: var(--error);
    margin-bottom: 1rem;
    padding: 0.75rem;
    background: rgba(239, 68, 68, 0.1);
    border-radius: 6px;
    font-size: 0.9rem;
}

.login-modal button[type="submit"],
.setup-modal button[type="submit"] {
    width: 100%;
    padding: 0.75rem;
    margin-top: 0.5rem;
}

/* User Info in Header */
#user-info {
    display: none;
    align-items: center;
    gap: 1rem;
}

#user-info .user-name {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

#user-info .btn-sm {
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
}