/* 기존 스타일 유지 (생략 없이 통합) */
body {
    margin: 0; padding: 0; display: flex; justify-content: center; align-items: center;
    min-height: 100vh; background: #1a1a1a; font-family: 'Pretendard', sans-serif;
}

.glass-card {
    width: 85%; max-width: 400px; padding: 40px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border-radius: 30px; border: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center; color: white;
}

.image-section img { width: 150px; height: auto; border-radius: 20px; }

/* 로딩 애니메이션 */
.spinner {
    width: 40px; height: 40px; border: 4px solid rgba(255,255,255,0.3);
    border-top: 4px solid #fff; border-radius: 50%;
    animation: spin 1s linear infinite; margin: 20px auto;
}
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }

.next-btn {
    margin-top: 20px; padding: 10px 30px; background: white; color: black;
    border: none; border-radius: 20px; font-weight: bold; cursor: pointer;
}