body {
    font-family: 'Noto Sans KR', sans-serif;
    background-color: #f8f9fa;
    color: #333;
}
.glass-panel {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0,0,0,0.05);
    box-shadow: 0 10px 30px rgba(0,0,0,0.04);
}
textarea {
    font-family: 'Menlo', 'Monaco', 'Courier New', monospace;
    font-size: 0.9rem;
    resize: none; /* 크기 조절 방지 */
}
textarea:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}
.btn-primary {
    transition: all 0.2s;
}
.btn-primary:active {
    transform: scale(0.98);
}
/* Scrollbar styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: #f1f1f1; 
}
::-webkit-scrollbar-thumb {
    background: #cbd5e1; 
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #94a3b8; 
}
.footer-link:hover {
    color: #3b82f6;
    text-decoration: underline;
}