/* Compressor Section */
.compressor-section {
    padding: 0 0 var(--space-3xl);
}

/* Drop Zone */
.drop-zone {
    position: relative;
    border: 2px dashed var(--gray-300);
    border-radius: var(--radius-lg);
    padding: 3rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition);
    background: white;
    overflow: hidden;
}

.drop-zone:hover {
    border-color: var(--primary);
    background: var(--primary-50);
}

.drop-zone.dragging {
    border-color: var(--primary);
    background: var(--primary-50);
}

.drop-zone.dragging .drop-zone-content { opacity: 0; }
.drop-zone.dragging .drop-zone-hover { opacity: 1; }

.drop-zone-icon {
    color: var(--gray-400);
    margin-bottom: 0.75rem;
    transition: color var(--transition);
}
.drop-zone:hover .drop-zone-icon { color: var(--primary); }

.drop-zone-text {
    font-size: 1rem;
    color: var(--text);
    margin-bottom: 0.375rem;
}

.drop-zone-hint {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

.drop-zone-hover {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    color: var(--primary);
    font-weight: 600;
    font-size: 1rem;
    opacity: 0;
    transition: opacity var(--transition);
}

/* Preview Grid */
.preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 0.75rem;
    margin-top: 1rem;
    animation: fadeUp 0.3s ease;
}

.preview-card {
    position: relative;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    background: white;
    transition: border-color var(--transition);
}
.preview-card:hover {
    border-color: var(--gray-300);
}

.preview-img {
    width: 100%;
    height: 100px;
    object-fit: cover;
    display: block;
    background: var(--gray-50);
}

.preview-info {
    padding: 0.5rem 0.625rem;
}

.preview-name {
    display: block;
    font-size: 0.6875rem;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--text);
}

.preview-size {
    display: block;
    font-size: 0.625rem;
    color: var(--text-muted);
    margin-top: 0.1rem;
}

.preview-remove {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 14px;
    line-height: 1;
    opacity: 0;
    transition: opacity var(--transition);
    z-index: 2;
}
.preview-card:hover .preview-remove { opacity: 1; }
.preview-remove:hover { background: rgba(0, 0, 0, 0.7); }

/* Options */
.compress-options {
    margin-top: 1rem;
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    background: white;
    border: 1px solid var(--border);
}

.compression-slider-wrap {
    margin-bottom: 1.25rem;
}

.compression-slider-wrap label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
}

.compression-levels {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.level-btn {
    flex: 1;
    min-width: 0;
    padding: 0.625rem 0.75rem;
    font-family: var(--font);
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-secondary);
    background: var(--gray-50);
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition);
    text-align: center;
    white-space: nowrap;
}

.level-btn:hover {
    border-color: var(--gray-300);
    background: white;
}

.level-btn.active {
    color: var(--primary);
    background: var(--primary-50);
    border-color: var(--primary);
}

.level-btn.pro-only:not(.active) {
    opacity: 0.55;
}

.pro-tag {
    font-size: 0.5625rem;
    font-weight: 700;
    padding: 0.1rem 0.3rem;
    background: var(--gray-800);
    color: white;
    border-radius: 3px;
    letter-spacing: 0.04em;
    vertical-align: middle;
}

.compression-hint {
    margin: 0.625rem 0 0;
    font-size: 0.8125rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* Results */
.results-container {
    margin-top: 1.5rem;
    animation: fadeUp 0.3s ease;
}

.results-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 0.75rem;
}

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

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

.results-summary {
    display: flex;
    gap: 1.5rem;
    padding: 1rem 1.25rem;
    background: var(--gray-50);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.summary-stat {
    display: flex;
    flex-direction: column;
}
.summary-stat .stat-label {
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
.summary-stat .stat-value {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--gray-900);
}

/* Result item */
.result-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: white;
    margin-bottom: 0.5rem;
    animation: fadeUp 0.25s ease;
}

.result-item-error {
    border-color: var(--error-light);
}

.result-thumb {
    width: 48px;
    height: 48px;
    border-radius: 6px;
    object-fit: cover;
    flex-shrink: 0;
    background: var(--gray-50);
}

.result-info {
    flex: 1;
    min-width: 0;
}

.result-name {
    font-weight: 600;
    font-size: 0.8125rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.result-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 0.15rem;
}

.result-savings {
    display: inline-flex;
    padding: 0.1rem 0.4rem;
    font-size: 0.6875rem;
    font-weight: 700;
    color: var(--success);
    background: var(--success-light);
    border-radius: var(--radius-full);
}

.result-savings-neutral {
    color: var(--text-muted);
    background: var(--gray-100);
}

.result-actions {
    flex-shrink: 0;
}

/* Animations */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

.spinner {
    width: 18px;
    height: 18px;
    border: 2.5px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    display: inline-block;
}

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