/* Base styles */
.converter-page {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: #333;
    line-height: 1.6;
    background-color: #f8fafc;
    padding: 40px 20px;
    margin: 0;
}

.converter-container {
    max-width: 1060px;
    margin: 0 auto;
    width: 100%;
}

.converter-tool-card {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    padding: 40px;
    margin-bottom: 40px;
}

/* Upload Area */
.converter-upload-area {
    border: 2px dashed #93c5fd;
    border-radius: 12px;
    padding: 60px 20px;
    text-align: center;
    background-color: #ffffff;
    transition: all 0.2s ease-in-out;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.converter-upload-area.dragover {
    background-color: #eff6ff;
    border-color: #3b82f6;
}

.converter-upload-icon-wrapper {
    background-color: #eff6ff;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.converter-upload-icon {
    width: 40px;
    height: 40px;
    color: #2563eb;
}

.converter-title {
    font-size: 28px;
    font-weight: 700;
    margin: 0 0 8px;
    color: #1e293b;
}

.converter-subtitle {
    font-size: 16px;
    color: #64748b;
    margin: 0 0 24px;
}

.converter-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
    font-family: inherit;
}

.converter-btn-primary {
    background-color: #2563eb;
    color: #fff;
}

.converter-btn-primary:hover {
    background-color: #1d4ed8;
}

.converter-btn-secondary {
    background-color: #e2e8f0;
    color: #334155;
}

.converter-btn-secondary:hover {
    background-color: #cbd5e1;
}

.converter-btn-success {
    background-color: #10b981;
    color: #fff;
}

.converter-btn-success:hover {
    background-color: #059669;
}

.converter-btn-danger {
    background-color: #fee2e2;
    color: #ef4444;
    padding: 8px 16px;
}

.converter-btn-danger:hover {
    background-color: #fecaca;
}

.converter-badges {
    display: flex;
    gap: 12px;
    margin-top: 24px;
    flex-wrap: wrap;
    justify-content: center;
}

.converter-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background-color: #f1f5f9;
    color: #475569;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
}

/* Convert Screen */
.converter-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 16px;
}

.converter-header h2 {
    margin: 0;
    font-size: 24px;
    color: #1e293b;
}

.converter-advanced-options-toggle {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: #3b82f6;
    cursor: pointer;
    margin-bottom: 16px;
    user-select: none;
}

.converter-advanced-options-toggle .chevron {
    transition: transform 0.2s;
}

.converter-advanced-options-toggle.active .chevron {
    transform: rotate(180deg);
}

.converter-advanced-options {
    background-color: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 24px;
    margin-bottom: 24px;
    animation: converterSlideDown 0.3s ease-out;
}

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

.converter-option-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.converter-slider-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.converter-slider-header label {
    font-size: 14px;
    font-weight: 600;
    color: #475569;
}

#quality-value {
    font-weight: 700;
    color: #2563eb;
    font-size: 14px;
}

.converter-slider {
    -webkit-appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 5px;
    background: #e2e8f0;
    outline: none;
}

.converter-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #2563eb;
    cursor: pointer;
    border: 2px solid #fff;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.converter-slider::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: #2563eb;
    cursor: pointer;
    border: 2px solid #fff;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.converter-file-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 24px;
}

.converter-file-row {
    background-color: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.converter-file-info-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.converter-file-name {
    font-weight: 600;
    font-size: 15px;
    color: #1e293b;
    word-break: break-all;
    padding-right: 16px;
}

.converter-file-size {
    font-size: 13px;
    color: #64748b;
    white-space: nowrap;
}

.converter-file-remove {
    background: none;
    border: none;
    color: #94a3b8;
    cursor: pointer;
    font-size: 20px;
    line-height: 1;
    padding: 0 4px;
}

.converter-file-remove:hover {
    color: #ef4444;
}

.converter-file-status-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    font-weight: 500;
}

.converter-status-text {
    color: #3b82f6;
}

.converter-status-text.done {
    color: #10b981;
}

.converter-status-text.error {
    color: #ef4444;
}

.converter-progress-container {
    width: 100%;
    height: 8px;
    background-color: #e2e8f0;
    border-radius: 4px;
    overflow: hidden;
    position: relative;
    display: none;
}

.converter-progress-bar {
    height: 100%;
    background-color: #2563eb;
    width: 0%;
    transition: width 0.1s linear;
}

.converter-file-actions {
    display: flex;
    justify-content: flex-end;
    margin-top: 8px;
}

.converter-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid #e2e8f0;
    padding-top: 24px;
    flex-wrap: wrap;
    gap: 16px;
}

/* Compare Section */
.converter-compare {
    margin-top: 40px;
    border-top: 1px solid #e2e8f0;
    padding-top: 32px;
}

.converter-compare h3 {
    margin-top: 0;
    margin-bottom: 20px;
    font-size: 20px;
    color: #1e293b;
}

.converter-compare-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 32px;
}

.converter-compare-card {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 16px;
    text-align: center;
}

.converter-compare-card h4 {
    margin: 0 0 12px;
    font-size: 16px;
    color: #334155;
}

.converter-compare-img-wrap {
    background-color: #fff;
    border: 1px solid #cbd5e1;
    border-radius: 4px;
    padding: 8px;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 200px;
    margin-bottom: 12px;
}

.converter-compare-img-wrap img {
    max-width: 100%;
    height: auto;
    max-height: 300px;
    object-fit: contain;
}

.converter-compare-info {
    font-size: 14px;
    font-weight: 600;
    color: #475569;
}

/* Content & FAQs */
.converter-seo-content {
    background-color: #fff;
    padding: 60px 20px;
}

.converter-seo-content h2 {
    font-size: 24px;
    color: #1e293b;
    margin-top: 0;
    margin-bottom: 16px;
}

.converter-seo-content p {
    color: #475569;
    margin-bottom: 32px;
    font-size: 16px;
}

.converter-faq-section {
    background-color: #f8fafc;
    padding: 60px 20px;
}

.converter-faq-section h2 {
    text-align: center;
    font-size: 28px;
    margin-top: 0;
    margin-bottom: 40px;
    color: #1e293b;
}

.converter-faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.converter-faq-item {
    background-color: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    overflow: hidden;
}

.converter-faq-q {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background: none;
    border: none;
    font-size: 16px;
    font-weight: 600;
    color: #1e293b;
    cursor: pointer;
    text-align: left;
}

.converter-faq-icon {
    font-size: 20px;
    color: #3b82f6;
    transition: transform 0.2s;
}

.converter-faq-a {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out, padding 0.3s ease;
}

.converter-faq-a p {
    margin: 0 0 20px 0;
    color: #475569;
    font-size: 15px;
}

.converter-faq-item.active .converter-faq-a {
    max-height: 500px;
}

/* Responsive */
@media (max-width: 768px) {
    .converter-tool-card {
        padding: 24px 16px;
    }
    .converter-upload-area {
        padding: 40px 16px;
    }
    .converter-title {
        font-size: 24px;
    }
    .converter-compare-grid {
        grid-template-columns: 1fr;
    }
    .converter-header {
        flex-direction: column;
        align-items: flex-start;
    }
    .converter-actions {
        flex-direction: column;
        align-items: stretch;
    }
    .converter-btn {
        width: 100%;
    }
}