/*
* [모듈명]: 환영 팝업 전용 스타일
* [파일명]: popup.css
* [역할]: 외부 유입자용 바텀시트 팝업의 프리미엄 Black & White 디자인을 정의합니다.
*/

#welcomePopup {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 30000;
    display: none; /* JS에서 제어 */
    flex-direction: column;
    justify-content: flex-end;
    animation: fadeIn 0.3s ease;
}

#welcomePopup .welcome-sheet {
    width: 100%;
    background-color: #000000;
    border-top: 1px solid #333333;
    border-radius: 32px 32px 0 0;
    padding: 24px 20px;
    padding-bottom: calc(40px + env(safe-area-inset-bottom, 20px));
    transform: translateY(0);
    animation: slideUp 0.5s cubic-bezier(0.19, 1, 0.22, 1);
}

#welcomePopup .welcome-handle {
    width: 40px;
    height: 4px;
    background-color: #333;
    border-radius: 2px;
    margin: 0 auto 24px;
}

#welcomePopup .welcome-title {
    color: #FFFFFF;
    font-size: 24px;
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}

#welcomePopup .welcome-desc {
    color: #999999;
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 32px;
}

#welcomePopup .welcome-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

#welcomePopup .btn-action-follow {
    background-color: #FFFFFF;
    color: #000000;
    border: none;
    padding: 20px;
    border-radius: 16px;
    font-size: 16px;
    font-weight: 800;
    text-align: center;
    cursor: pointer;
    transition: transform 0.2s ease;
}

#welcomePopup .btn-action-follow:active {
    transform: scale(0.96);
}

#welcomePopup .btn-explore {
    background-color: transparent;
    color: #666666;
    border: none;
    padding: 12px;
    font-size: 14px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}