/* Main Content */
.main-content {
    position: relative;
    width: 100%;
    min-height: 51.563rem;
    max-width: 1920px;
    margin: 0 auto;
    margin-top: 5rem; /* Header height compensation */
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Login Section */
.login-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: absolute;
    top: 40%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    max-width: 25rem;
    padding: 0 1.25rem;
}

/* Login Title */
.login-title {
    font-weight: 700;
    font-size: 2.75rem;
    color: white;
    white-space: nowrap;
    margin-bottom: 1.5rem;
    text-align: center;
}

/* Login Subtitle */
.login-subtitle {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--zinc-200);
    white-space: nowrap;
    margin-bottom: 3rem;
    text-align: center;
}

.subtitle-normal {
    font-weight: 400;
}

.subtitle-bold {
    font-weight: 700;
}

/* Kakao Login Button */
.kakao-login-btn {
    background-color: var(--kakao-yellow);
    border: 0.0625rem solid var(--kakao-yellow);
    display: flex;
    gap: 0.5rem;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    border-radius: 6.188rem;
    width: 17.75rem;
    height: 3.188rem;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.kakao-login-btn:hover {
    background-color: #fdd835;
    border-color: #fdd835;
    transform: translateY(-0.0625rem);
    box-shadow: 0 0.125rem 0.5rem rgba(254, 229, 0, 0.2);
}

.kakao-login-btn:active {
    transform: translateY(0);
    box-shadow: 0 0.125rem 0.375rem rgba(254, 229, 0, 0.2);
}

.kakao-icon {
    position: absolute;
    left: 1.125rem;
    top: 50%;
    transform: translateY(-50%);
    width: 1.351rem;
    height: 1.25rem;
}

.kakao-icon img {
    display: block;
    max-width: none;
    width: 100%;
    height: 100%;
}

.kakao-text {
    font-weight: 700;
    font-size: 1rem;
    color: #191919;
    white-space: nowrap;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(1.875rem);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}



.login-title {
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

.login-subtitle {
    animation: fadeInUp 0.6s ease-out 0.4s both;
}

.kakao-login-btn {
    animation: scaleIn 0.6s ease-out 0.6s both;
}

/* Focus states for accessibility */
.kakao-login-btn:focus {
    outline: 0.125rem solid var(--kakao-yellow);
    outline-offset: 0.125rem;
}

.nav-item:focus,
.login-btn:focus {
    outline: 0.125rem solid white;
    outline-offset: 0.125rem;
    border-radius: 0.25rem;
}