/* General Styles */
body {
    font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: #f8f9fa;
}

.brand-red {
    color: #e5322d;
}

.btn-brand {
    background-color: #e5322d;
    color: white;
    font-weight: bold;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    transition: background-color 0.3s ease;
}

.btn-brand:hover {
    background-color: #c42a25;
    color: white;
}

/* Tool Grid on index.php */
.tool-card {
    border: 1px solid #e0e0e0;
    border-radius: 0.75rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    text-decoration: none;
    color: inherit;
}

.tool-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    color: inherit;
}

.tool-card .tool-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 1rem;
    color: #e5322d;
}

.tool-card h3 {
    font-weight: 600;
    color: #333;
}

.tool-card p {
    color: #666;
}

/* Uploader on merge.php */
#drop-area {
    border: 3px dashed #ddd;
    border-radius: 1rem;
    padding: 4rem;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.3s ease, background-color 0.3s ease;
}

#drop-area.highlight {
    border-color: #e5322d;
    background-color: #fef8f8;
}

#drop-area .upload-icon {
    font-size: 4rem;
    color: #e5322d;
}

#file-list {
    margin-top: 2rem;
}

.file-item {
    display: flex;
    align-items: center;
    padding: 0.75rem;
    background-color: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 0.5rem;
    margin-bottom: 0.5rem;
}

.file-item .file-icon {
    font-size: 1.5rem;
    color: #e5322d;
    margin-right: 1rem;
}

.file-item .file-name {
    flex-grow: 1;
}

.file-item .file-size {
    color: #666;
    margin-left: 1rem;
}