body {
    font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, system-ui, Roboto, sans-serif;
    background-color: #000;
    color: #fff;
    overflow-x: hidden;
}

/* 유틸리티 */
.neon-box-blue {
    box-shadow: 0 0 15px rgba(59, 130, 246, 0.3);
}

.neon-box-pink {
    box-shadow: 0 0 15px rgba(236, 72, 153, 0.3);
}

.neon-box-orange {
    box-shadow: 0 0 15px rgba(249, 115, 22, 0.4);
}

.screen {
    display: none;
    min-height: 100vh;
    padding: 20px;
    padding-bottom: 80px;
    box-sizing: border-box;
}

.screen.active {
    display: flex;
    flex-direction: column;
}

.mobile-container {
    max-width: 480px;
    margin: 0 auto;
    background: #000;
    min-height: 100vh;
    position: relative;
    border-left: 1px solid #1e293b;
    border-right: 1px solid #1e293b;
}

/* 하단 네비게이션 */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 60px;
    background: #0f172a;
    border-top: 1px solid #1e293b;
    display: flex;
    justify-content: space-around;
    align-items: center;
    z-index: 40;
    max-width: 480px;
    margin: 0 auto;
    right: 0;
}

.nav-item {
    color: #64748b;
    font-size: 10px;
    text-align: center;
    flex: 1;
    padding-top: 10px;
    transition: color 0.3s;
}

.nav-item i {
    font-size: 20px;
    display: block;
    margin-bottom: 4px;
}

.nav-item.active-man {
    color: #3b82f6;
}

.nav-item.active-woman {
    color: #ec4899;
}

/* 모달 (공통) */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.9);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(5px);
}

.modal-content {
    background: #111827;
    border: 1px solid #374151;
    padding: 20px;
    border-radius: 16px;
    width: 90%;
    max-width: 320px;
    text-align: center;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
}

/* 애니메이션 */
.slide-container {
    min-height: 300px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.slide-dots {
    display: flex;
    gap: 8px;
    margin-top: 20px;
    justify-content: center;
}

.slide-dot {
    width: 8px;
    height: 8px;
    background: #4b5563;
    border-radius: 50%;
    transition: all 0.3s;
}

.slide-dot.active {
    width: 24px;
    border-radius: 12px;
}

.slide-dot.active-man {
    background: #3b82f6;
}

.slide-dot.active-woman {
    background: #ec4899;
}

.slide-anim {
    animation: fadeIn 0.4s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

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

.radar-ring {
    position: absolute;
    border: 1px solid rgba(59, 130, 246, 0.5);
    border-radius: 50%;
    opacity: 0;
    animation: pulse-ring 2s infinite;
}

.radar-ring:nth-child(2) {
    animation-delay: 0.5s;
}

@keyframes pulse-ring {
    0% {
        transform: scale(0.5);
        opacity: 0;
    }

    50% {
        opacity: 1;
    }

    100% {
        transform: scale(2.5);
        opacity: 0;
    }
}

.bar {
    width: 6px;
    background: linear-gradient(to top, #a855f7, #3b82f6);
    border-radius: 3px;
    animation: equalize 1s infinite;
}

@keyframes equalize {
    0% {
        height: 10px;
    }

    50% {
        height: 50px;
    }

    100% {
        height: 10px;
    }
}

/* 통화 중 애니메이션 */
.calling-pulse {
    animation: callPulse 1.5s infinite;
}

@keyframes callPulse {
    0% {
        box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.7);
    }

    70% {
        box-shadow: 0 0 0 10px rgba(34, 197, 94, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(34, 197, 94, 0);
    }
}