/* Image Compressor Tool Styles */

:root {
    --primary-color: #6366f1;
    --secondary-color: #ec4899;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --background-color: #f8fafc;
    --surface-color: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --shadow-light: 0 1px 3px 0 rgb(0 0 0 / 0.1);
    --shadow-medium: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-heavy: 0 20px 25px -5px rgb(0 0 0 / 0.1);
    --border-radius: 12px;
    --transition: all 0.3s ease;
}

[data-theme="dark"] {
    --background-color: #0f172a;
    --surface-color: #1e293b;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --border-color: #334155;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--background-color);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.hidden {
    display: none !important;
}

/* Header */
header {
    text-align: center;
    margin-bottom: 3rem;
}

header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

header .icon {
    font-size: 3rem;
}

header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* Upload Section */
.upload-section {
    margin-bottom: 2rem;
}

.upload-area {
    border: 3px dashed var(--border-color);
    border-radius: var(--border-radius);
    padding: 3rem 2rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    background: var(--surface-color);
}

.upload-area:hover, .upload-area.dragover {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), rgba(236, 72, 153, 0.05));
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.upload-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.upload-area h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.upload-area p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.browse-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 0.75rem 2rem;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.browse-btn:hover {
    background: #4f46e5;
    transform: translateY(-1px);
}

/* Settings Panel */
.settings-panel {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-light);
    border: 1px solid var(--border-color);
}

.settings-panel h3 {
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
    color: var(--text-primary);
}

.settings-grid {
    display: grid;
    gap: 2rem;
    margin-bottom: 2rem;
}

.setting-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.setting-group label {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.slider-container {
    display: flex;
    align-items: center;
    gap: 1rem;
}

input[type="range"] {
    flex: 1;
    -webkit-appearance: none;
    appearance: none;
    height: 6px;
    background: var(--border-color);
    border-radius: 3px;
    outline: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    background: var(--primary-color);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: var(--shadow-light);
}

input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: var(--primary-color);
    border-radius: 50%;
    cursor: pointer;
    border: none;
    box-shadow: var(--shadow-light);
}

#quality-value {
    min-width: 40px;
    font-weight: 600;
    color: var(--primary-color);
}

select, input[type="number"] {
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--background-color);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: var(--transition);
}

select:focus, input[type="number"]:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgb(99 102 241 / 0.1);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-weight: 500;
}

input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary-color);
}

.resize-options {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.resize-controls {
    background: var(--background-color);
    padding: 1rem;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.size-inputs {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.size-inputs input {
    width: 120px;
}

.size-inputs span {
    font-weight: 600;
    color: var(--text-secondary);
}

.preset-sizes {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.preset-btn {
    padding: 0.5rem 0.75rem;
    border: 2px solid var(--border-color);
    background: var(--surface-color);
    color: var(--text-primary);
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.preset-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

small {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.primary-btn, .secondary-btn {
    padding: 0.875rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.primary-btn {
    background: var(--primary-color);
    color: white;
}

.primary-btn:hover {
    background: #4f46e5;
    transform: translateY(-1px);
    box-shadow: var(--shadow-medium);
}

.primary-btn:disabled {
    background: var(--text-secondary);
    cursor: not-allowed;
    transform: none;
}

.secondary-btn {
    background: var(--success-color);
    color: white;
}

.secondary-btn:hover {
    background: #059669;
    transform: translateY(-1px);
    box-shadow: var(--shadow-medium);
}

/* Images Grid */
.images-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.image-card {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    padding: 1rem;
    box-shadow: var(--shadow-light);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.image-card:hover {
    box-shadow: var(--shadow-medium);
    transform: translateY(-2px);
}

.image-preview {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 1rem;
    background: var(--background-color);
}

.image-info {
    margin-bottom: 1rem;
}

.image-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
    font-size: 0.95rem;
    word-break: break-word;
}

.image-size {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.compression-result {
    background: var(--background-color);
    padding: 0.75rem;
    border-radius: 8px;
    margin-bottom: 1rem;
}

.size-comparison {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.original-size, .compressed-size {
    font-size: 0.85rem;
}

.original-size {
    color: var(--text-secondary);
}

.compressed-size {
    color: var(--success-color);
    font-weight: 600;
}

.compression-ratio {
    text-align: center;
    font-weight: 600;
    color: var(--primary-color);
    font-size: 1.1rem;
}

.compression-ratio.positive {
    color: var(--success-color);
}

.compression-ratio.negative {
    color: var(--warning-color);
}

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

.action-btn {
    flex: 1;
    padding: 0.5rem 0.75rem;
    border: none;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.download-btn {
    background: var(--success-color);
    color: white;
}

.download-btn:hover {
    background: #059669;
}

.remove-btn {
    background: var(--error-color);
    color: white;
}

.remove-btn:hover {
    background: #dc2626;
}

/* Progress Section */
.progress-section {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-light);
    text-align: center;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--border-color);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 1rem;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    width: 0%;
    transition: width 0.3s ease;
}

#progress-text {
    color: var(--text-secondary);
    font-weight: 500;
}

/* Info Section */
.info-section {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow-light);
    border: 1px solid var(--border-color);
}

.info-section h3 {
    margin-bottom: 2rem;
    text-align: center;
    font-size: 1.5rem;
    color: var(--text-primary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.feature-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.feature-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.feature-content h4 {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    font-size: 1rem;
}

.feature-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Status Indicators */
.status-processing {
    background: var(--warning-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    display: inline-block;
}

.status-completed {
    background: var(--success-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    display: inline-block;
}

.status-error {
    background: var(--error-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    display: inline-block;
}

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

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

.fade-in {
    animation: fadeInUp 0.5s ease;
}

.pulse {
    animation: pulse 2s infinite;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }

    header h1 {
        font-size: 2rem;
        flex-direction: column;
        gap: 0.5rem;
    }

    .upload-area {
        padding: 2rem 1rem;
    }

    .upload-icon {
        font-size: 3rem;
    }

    .settings-grid {
        gap: 1.5rem;
    }

    .action-buttons {
        flex-direction: column;
    }

    .images-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .size-inputs {
        flex-direction: column;
        align-items: stretch;
    }

    .size-inputs input {
        width: 100%;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .feature-item {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    header h1 {
        font-size: 1.8rem;
    }

    .upload-area h3 {
        font-size: 1.2rem;
    }

    .settings-panel, .info-section {
        padding: 1.5rem;
    }

    .image-actions {
        flex-direction: column;
    }
}