/* ========================================
   온보딩 화면 스타일
   ======================================== */

.onboarding-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--gradient-onboarding);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    animation: fadeIn 0.8s ease-out;
}

.onboarding-content {
    text-align: center;
    padding: 40px 20px;
    max-width: 500px;
    width: 100%;
}

.onboarding-header {
    margin-bottom: 60px;
    animation: slideUp 0.8s ease-out 0.2s both;
}

.onboarding-title {
    font-family: 'Outfit', sans-serif;
    font-size: 56px;
    font-weight: 300;
    letter-spacing: 2px;
    margin-bottom: 20px;
    color: white;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.onboarding-subtitle {
    font-size: 14px;
    font-weight: 300;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.8;
}

.onboarding-features {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 60px;
    animation: slideUp 0.8s ease-out 0.4s both;
}

.feature-item {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
}

.feature-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-4px);
}

.feature-icon {
    font-size: 40px;
    display: block;
    margin-bottom: 12px;
}

.feature-item h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: white;
}

.feature-item p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
}

.btn-get-started {
    width: 100%;
    max-width: 280px;
    padding: 18px 48px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50px;
    color: white;
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 2px;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    animation: slideUp 0.8s ease-out 0.6s both;
}

.btn-get-started:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.btn-get-started:active {
    transform: translateY(0);
}

.onboarding-indicator {
    display: flex;
    gap: 8px;
    justify-content: center;
    margin-top: 40px;
    animation: fadeIn 0.8s ease-out 0.8s both;
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transition: var(--transition);
}

.dot.active {
    background: white;
    width: 24px;
    border-radius: 4px;
}

/* 앱 숨김 상태 */
.app-hidden {
    display: none;
}

/* 온보딩 숨김 애니메이션 */
.onboarding-screen.hide {
    animation: fadeOut 0.5s ease-out forwards;
}

@keyframes fadeOut {
    to {
        opacity: 0;
        visibility: hidden;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 반응형 */
@media (max-width: 480px) {
    .onboarding-title {
        font-size: 42px;
    }

    .onboarding-subtitle {
        font-size: 12px;
    }

    .feature-item {
        padding: 16px;
    }

    .feature-icon {
        font-size: 32px;
    }
}