/* 전체 컨테이너 */
.login-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background-color: #fff;
    padding: 2rem;
}

/* 헤더 */
.login-header {
    text-align: center;
    margin-bottom: 3rem;
}

.login-header h1 {
    font-size: 1.875rem;
    /* text-3xl */
    font-weight: bold;
    color: #2563eb;
    /* text-blue-600 */
    letter-spacing: -0.05em;
    /* tracking-tighter */
}

.login-header p {
    color: #9ca3af;
    /* text-gray-400 */
    margin-top: 0.5rem;
    font-size: 0.875rem;
    /* text-sm */
}

/* 버튼 영역 */
.login-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* 공통 버튼 스타일 */
.btn {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 0.875rem;
    border-radius: 1rem;
    font-weight: 600;
    transition: transform 0.1s ease;
}

.btn img {
    width: 1.25rem;
    height: 1.25rem;
}

.btn:active {
    transform: scale(0.95);
}

/* 버튼별 색상 */
.btn-google {
    background-color: #fff;
    border: 1px solid #e5e7eb;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

.btn-kakao {
    background-color: #FEE500;
    border: none;
    /* 테두리 제거 */
}

.btn-kakao img {
    height: 1.7rem;
    /* 카카오만 살짝 크게 */
    width: auto;
}

.btn-apple {
    background-color: #000;
    color: #fff;
    border: none;
}

.apple-icon {
    height: auto;
    width: 1.25rem;
    filter: invert(1);
    /* 흰색으로 반전 */
}