/* 센터 선택 안내 화면 */

.center-selection-prompt {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - var(--header-height));
    padding: 40px 20px;
    background: linear-gradient(135deg, #f5f7fa 0%, #e9ecef 100%);
}

.prompt-container {
    max-width: 900px;
    width: 100%;
    background: var(--bg-white);
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
    padding: 48px 40px;
    text-align: center;
}

.prompt-icon {
    font-size: 64px;
    color: var(--primary-color);
    margin-bottom: 24px;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.8;
    }
}

.prompt-title {
    font-size: 28px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 16px 0;
    letter-spacing: var(--letter-spacing-tight);
}

.prompt-description {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0 0 48px 0;
}

.prompt-description strong {
    color: var(--primary-color);
    font-weight: 600;
}

/* 센터 카드 그리드 */
.prompt-centers {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.center-card {
    background: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 32px 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.center-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
    border-color: var(--primary-color);
}

.center-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-size: 36px;
    color: white;
    transition: all 0.3s ease;
}

.center-icon.stroke {
    background: linear-gradient(135deg, var(--center-stroke) 0%, #3578c7 100%);
}

.center-icon.trauma {
    background: linear-gradient(135deg, var(--center-trauma) 0%, #9c4340 100%);
}

.center-icon.spine {
    background: linear-gradient(135deg, var(--center-spine) 0%, #7267ad 100%);
}

.center-icon.cancer {
    background: linear-gradient(135deg, var(--center-cancer) 0%, #428f75 100%);
}

.center-card:hover .center-icon {
    transform: scale(1.1) rotate(5deg);
}

.center-name {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.center-desc {
    font-size: 13px;
    color: var(--text-secondary);
    font-style: italic;
}

.prompt-footer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 16px;
    background: var(--bg-light);
    border-radius: 8px;
    font-size: 14px;
    color: var(--text-secondary);
}

.prompt-footer i {
    color: var(--primary-color);
}

/* 센터 미선택 상태 - 메뉴 비활성화 스타일 */
body.no-center-selected .menu-item {
    opacity: 0.5;
    pointer-events: none;
}

body.no-center-selected .center-selector {
    opacity: 1;
    pointer-events: auto;
}

body.no-center-selected .patient-banner {
    display: none !important;
}

/* 센터 컬러 바 - 센터 미선택 시 회색 */
body.no-center-selected .center-context-bar {
    background: #dee2e6;
}

/* 반응형 */
@media (max-width: 768px) {
    .prompt-container {
        padding: 32px 24px;
    }
    
    .prompt-title {
        font-size: 24px;
    }
    
    .prompt-centers {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    
    .center-card {
        padding: 24px 16px;
    }
    
    .center-icon {
        width: 64px;
        height: 64px;
        font-size: 28px;
    }
    
    .center-name {
        font-size: 16px;
    }
}