/* =================== MODERN 2025 IMAGE COMPRESSION UI =================== */

/* Upload Container */
.modern-upload-container {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 24px;
    padding: 40px;
    box-shadow: 0 20px 60px rgba(102, 126, 234, 0.3);
    margin-bottom: 40px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.modern-upload-container:hover {
    transform: translateY(-4px);
    box-shadow: 0 25px 70px rgba(102, 126, 234, 0.4);
}

/* Upload Dropzone */
.upload-dropzone {
    background: rgba(255, 255, 255, 0.95);
    border: 3px dashed rgba(102, 126, 234, 0.4);
    border-radius: 20px;
    padding: 60px 40px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.upload-dropzone::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.1), transparent);
    transition: left 0.5s;
}

.upload-dropzone:hover::before {
    left: 100%;
}

.upload-dropzone:hover {
    border-color: #667eea;
    background: rgba(255, 255, 255, 1);
    transform: scale(1.02);
}

.upload-dropzone.drag-over {
    border-color: #667eea;
    background: rgba(102, 126, 234, 0.1);
    border-style: solid;
}

.upload-icon-wrapper {
    margin-bottom: 20px;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.upload-icon {
    color: #667eea;
    filter: drop-shadow(0 4px 12px rgba(102, 126, 234, 0.3));
}

.upload-title {
    font-size: 28px;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}

.upload-subtitle {
    font-size: 16px;
    color: #718096;
    font-weight: 500;
}

/* Progress Container */
.upload-progress-container {
    margin-top: 30px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 16px;
    padding: 24px;
    backdrop-filter: blur(10px);
}

.progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.progress-label {
    font-size: 15px;
    font-weight: 600;
    color: #2d3748;
}

.progress-stats {
    font-size: 15px;
    font-weight: 700;
    color: #667eea;
    background: rgba(102, 126, 234, 0.1);
    padding: 6px 14px;
    border-radius: 20px;
}

/* Modern Progress Bar */
.modern-progress-bar {
    width: 100%;
    height: 28px;
    background: rgba(226, 232, 240, 0.6);
    border-radius: 14px;
    overflow: hidden;
    position: relative;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.06);
}

.modern-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    border-radius: 14px;
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.modern-progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(255, 255, 255, 0.3) 50%, 
        transparent 100%);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.progress-percentage {
    font-size: 13px;
    font-weight: 700;
    color: white;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
    position: relative;
    z-index: 1;
}

.progress-hint {
    margin-top: 12px;
    font-size: 13px;
    color: #718096;
    text-align: center;
    margin-bottom: 0;
}

/* Quality Section */
.modern-quality-section {
    background: white;
    border-radius: 24px;
    padding: 40px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    margin-bottom: 40px;
}

.quality-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.quality-title {
    font-size: 22px;
    font-weight: 700;
    color: #2d3748;
    margin: 0;
}

.quality-value-display {
    display: flex;
    align-items: baseline;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 12px 24px;
    border-radius: 16px;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.quality-number {
    font-size: 32px;
    font-weight: 800;
    color: white;
    line-height: 1;
}

.quality-percent {
    font-size: 18px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
    margin-left: 4px;
}

/* Modern Slider */
.quality-slider-container {
    margin-bottom: 30px;
}

.modern-slider {
    -webkit-appearance: none;
    width: 100%;
    height: 12px;
    border-radius: 6px;
    background: linear-gradient(to right, 
        #f7fafc 0%, 
        #e2e8f0 20%, 
        #cbd5e0 40%, 
        #a0aec0 60%, 
        #718096 80%, 
        #4a5568 100%);
    outline: none;
    margin: 20px 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    cursor: pointer;
}

.modern-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(102, 126, 234, 0.5);
    transition: all 0.2s ease;
    border: 4px solid white;
}

.modern-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.7);
}

.modern-slider::-webkit-slider-thumb:active {
    transform: scale(1.1);
}

.modern-slider::-moz-range-thumb {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(102, 126, 234, 0.5);
    transition: all 0.2s ease;
    border: 4px solid white;
}

.modern-slider::-moz-range-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.7);
}

.slider-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 12px;
}

.slider-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #4a5568;
    font-weight: 600;
}

.label-icon {
    font-size: 18px;
}

/* Quality Presets */
.quality-presets {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.preset-btn {
    background: #f7fafc;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    padding: 16px 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    color: #4a5568;
}

.preset-btn:hover {
    background: #edf2f7;
    border-color: #cbd5e0;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.preset-btn.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-color: #667eea;
    color: white;
    box-shadow: 0 4px 16px rgba(102, 126, 234, 0.4);
}

.preset-icon {
    font-size: 24px;
}

.preset-btn span:last-child {
    font-size: 13px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .modern-upload-container {
        padding: 24px;
        border-radius: 20px;
    }
    
    .upload-dropzone {
        padding: 40px 20px;
    }
    
    .upload-title {
        font-size: 22px;
    }
    
    .modern-quality-section {
        padding: 24px;
    }
    
    .quality-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
    
    .quality-presets {
        grid-template-columns: 1fr;
    }
}

/* Animation for new elements */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modern-upload-container,
.modern-quality-section {
    animation: fadeInUp 0.6s ease-out;
}

.modern-quality-section {
    animation-delay: 0.2s;
}