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

/* Upload area styles */
.upload-container {
    margin-bottom: 2rem;
}

.upload-area {
    border: 2px dashed #3498db;
    border-radius: 12px;
    padding: 3rem;
    text-align: center;
    background-color: #f8fafc;
    transition: all 0.3s ease;
    cursor: pointer;
}

.upload-area:hover,
.upload-area.dragover {
    background-color: #eef2ff;
    border-color: #2563eb;
}

.upload-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 1rem;
    opacity: 0.7;
}

.upload-btn {
    display: inline-block;
    background-color: #3b82f6;
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s ease;
    font-weight: 500;
}

.upload-btn:hover {
    background-color: #2563eb;
}

.file-support {
    color: #64748b;
    margin-top: 1rem;
    font-size: 0.875rem;
}

/* Conversion options styles */
.conversion-options {
    background-color: white;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
}

.format-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin: 1rem 0;
}

.format-btn {
    padding: 0.5rem 1.5rem;
    border: 2px solid #e2e8f0;
    border-radius: 6px;
    background-color: white;
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: 500;
}

.format-btn:hover,
.format-btn.active {
    background-color: #3b82f6;
    border-color: #3b82f6;
    color: white;
}

.quality-slider {
    margin-top: 1.5rem;
}

.quality-slider label {
    display: block;
    margin-bottom: 0.5rem;
    color: #475569;
}

.quality-slider input[type="range"] {
    width: 100%;
    height: 6px;
    background-color: #e2e8f0;
    border-radius: 3px;
    outline: none;
}

/* Preview grid styles */
.preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.preview-item {
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.preview-image {
    width: 100%;
    height: 150px;
    object-fit: cover;
}

.preview-info {
    padding: 1rem;
}

.preview-info p {
    margin: 0.25rem 0;
    color: #64748b;
    font-size: 0.875rem;
}

/* Progress bar styles */
.conversion-progress {
    margin: 2rem 0;
}

.progress-bar {
    height: 8px;
    background-color: #e2e8f0;
    border-radius: 4px;
    overflow: hidden;
}

.progress {
    height: 100%;
    background-color: #3b82f6;
    transition: width 0.3s ease;
}

.progress-text {
    text-align: center;
    margin-top: 0.5rem;
    color: #475569;
}

/* Download section styles */
.download-section {
    text-align: center;
    margin-top: 2rem;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background-color: #22c55e;
    color: white;
    padding: 0.75rem 2rem;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s ease;
    font-weight: 500;
}

.download-btn:hover {
    background-color: #16a34a;
}

.download-icon {
    width: 20px;
    height: 20px;
}