.icwp-admin-wrap, .icwp-compressor-shortcode {
    max-width: 1000px;
    margin: 0 auto;
}

.icwp-drop-zone {
    border: 4px dashed #0073aa;
    border-radius: 16px;
    padding: 80px 40px;
    text-align: center;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    min-height: 250px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    font-size: 18px;
    margin-bottom: 30px;
    position: relative;
    overflow: hidden;
}

.icwp-drop-zone::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23dee2e6" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.icwp-drop-icon {
    font-size: 4rem;
    margin-bottom: 20px;
    filter: drop-shadow(0 4px 8px rgba(0,115,170,0.3));
}

.icwp-drop-text {
    font-size: 1.3rem;
    font-weight: 500;
    color: #333;
    margin-bottom: 15px;
}

.icwp-drop-zone.dragover {
    border-color: #00a0d2;
    background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%);
    transform: scale(1.02);
    box-shadow: 0 20px 40px rgba(0,162,255,0.2);
}

.compression-controls {
    background: #fff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.1);
    margin: 30px 0;
    border: 1px solid #e1e5e9;
}

.slider-container {
    margin: 25px 0;
}

.slider-container label {
    display: block;
    font-weight: 600;
    font-size: 16px;
    margin-bottom: 12px;
    color: #23282d;
}

#quality-slider {
    width: 100%;
    height: 10px;
    border-radius: 6px;
    background: #e9ecef;
    outline: none;
    -webkit-appearance: none;
    cursor: pointer;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.1);
}

#quality-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: linear-gradient(135deg, #0073aa, #00a0d2);
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0,115,170,0.4);
    transition: transform 0.2s ease;
}

#quality-slider::-webkit-slider-thumb:hover {
    transform: scale(1.1);
}

.btn-compress {
    background: linear-gradient(135deg, #0073aa, #00a0d2) !important;
    color: white !important;
    border: none !important;
    padding: 18px 36px !important;
    font-size: 16px !important;
    font-weight: 600 !important;
    border-radius: 10px !important;
    cursor: pointer !important;
    width: 100% !important;
    text-transform: uppercase !important;
    letter-spacing: 0.5px !important;
    box-shadow: 0 6px 20px rgba(0,115,170,0.3) !important;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
    text-decoration: none !important;
    display: inline-block !important;
}

.btn-compress:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 10px 30px rgba(0,115,170,0.4) !important;
}

.btn-compress:disabled {
    background: #ccc !important;
    cursor: not-allowed !important;
    transform: none !important;
    box-shadow: none !important;
}

#progress-bar {
    width: 100%;
    height: 8px;
    background: #e9ecef;
    border-radius: 6px;
    overflow: hidden;
    margin: 20px 0;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.1);
}

#progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #0073aa, #00a0d2, #005a87);
    width: 0%;
    transition: width 0.4s ease;
    box-shadow: 0 0 10px rgba(0,115,170,0.6);
}

.preview-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin: 40px 0;
}

.preview-box {
    background: #fff;
    padding: 30px;
    border: 2px dashed #dee2e6;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.preview-box.active {
    border-color: #0073aa;
    box-shadow: 0 12px 32px rgba(0,115,170,0.15);
    transform: translateY(-4px);
}

.preview-box h3 {
    margin-top: 0;
    color: #23282d;
    font-size: 20px;
    font-weight: 600;
}

.formats-indicator {
    display: flex;
    gap: 12px;
    margin-top: 15px;
    font-size: 14px;
    flex-wrap: wrap;
}

.format-badge {
    background: #0073aa;
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.icwp-notice {
    border-left-color: #0073aa !important;
    border-left-width: 4px !important;
    padding-left: 20px !important;
}

@media (max-width: 768px) {
    .preview-container {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .icwp-drop-zone {
        padding: 60px 20px;
        min-height: 200px;
    }
    
    .compression-controls {
        padding: 20px;
    }
}