/* Custom styling for SVG Minifier */

:root {
    --transition-speed: 0.3s;
    --transition-ease: cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* Upload Area */
.svg-upload-area {
    border: 3px dashed #dee2e6;
    border-radius: 1.25rem;
    padding: 3.5rem 1.5rem;
    text-align: center;
    background-color: #f8f9fa;
    cursor: pointer;
    transition: all var(--transition-speed) var(--transition-ease);
}

.svg-upload-area:hover {
    border-color: #0d6efd;
    background-color: rgba(13, 110, 253, 0.03);
    transform: translateY(-2px);
}

.svg-upload-area.dragover {
    border-color: #0d6efd;
    background-color: rgba(13, 110, 253, 0.06);
    transform: scale(1.02);
}

.svg-upload-icon {
    font-size: 3.5rem;
    color: #6c757d;
    transition: transform var(--transition-speed) var(--transition-ease);
}

.svg-upload-area:hover .svg-upload-icon {
    transform: translateY(-5px) scale(1.1);
}

/* Live Preview box (Checkerboard) */
.svg-preview-box {
    background-image: 
        linear-gradient(45deg, #f0f0f0 25%, transparent 25%), 
        linear-gradient(-45deg, #f0f0f0 25%, transparent 25%), 
        linear-gradient(45deg, transparent 75%, #f0f0f0 75%), 
        linear-gradient(-45deg, transparent 75%, #f0f0f0 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0;
    background-color: #ffffff;
    border: 1px solid #e9ecef;
    border-radius: 1rem;
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    overflow: auto;
}

.svg-preview-box svg {
    max-width: 100%;
    max-height: 280px;
    display: block;
    height: auto;
}

/* Loader Overlay */
.loader-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.85);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10;
    border-radius: 1.25rem;
}

/* Code editor textarea */
.code-textarea {
    font-family: monospace;
    font-size: 0.875rem;
    border-radius: 0.75rem;
    border: 1px solid #ced4da;
    resize: vertical;
    min-height: 250px;
}

/* Stats Comparison Layout */
.comparison-card {
    background: #ffffff;
    border: 1px solid #e9ecef;
    border-radius: 1rem;
    padding: 1.5rem;
    text-align: center;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.reduction-badge-circle {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background-color: rgba(13, 110, 253, 0.1);
    border: 4px solid #0d6efd;
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    color: #0d6efd;
}

.reduction-percentage {
    font-size: 1.75rem;
    font-weight: 800;
    line-height: 1.1;
}

.reduction-label {
    font-size: 0.7rem;
    text-transform: uppercase;
    font-weight: 600;
}

.stat-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid #f1f3f5;
}

.stat-row:last-child {
    border-bottom: none;
}

.stat-name {
    color: #6c757d;
    font-size: 0.875rem;
}

.stat-value {
    font-weight: 700;
    color: #212529;
}

/* Copy Toast */
.copy-badge {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background-color: #212529;
    color: #fff;
    padding: 8px 20px;
    border-radius: 30px;
    font-size: 0.9rem;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 1050;
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.copy-badge.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* --- Responsive Media Queries --- */
@media (max-width: 991.98px) {
    .svg-preview-box {
        min-height: 260px;
        padding: 1rem;
    }
    
    .svg-preview-box svg {
        max-height: 240px;
    }
}

@media (max-width: 767.98px) {
    .svg-upload-area {
        padding: 2.5rem 1rem;
    }
    
    .svg-upload-icon {
        font-size: 2.75rem;
    }
}

@media (max-width: 575.98px) {
    .nav-pills {
        gap: 0.5rem;
    }
    
    .nav-pills .nav-link {
        font-size: 0.85rem;
        padding: 8px 10px;
    }
    
    .svg-upload-area {
        padding: 2rem 1rem;
    }
    
    .svg-upload-area h3 {
        font-size: 1.25rem;
    }
    
    .comparison-card {
        padding: 1rem;
    }
    
    .reduction-badge-circle {
        width: 100px;
        height: 100px;
    }
    
    .reduction-percentage {
        font-size: 1.5rem;
    }
    
    .stat-row {
        font-size: 0.85rem;
    }
}