/* 1. 메인 레이아웃 */
main {
    max-width: 800px;
    margin: 50px auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 975px;
}

h1 {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 50px;
    color: black;
}

/* 2. 로그인 컨테이너 (너비 500px 고정) */
#login {
    width: 500px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

#login-container {
    width: 100%;
}

/* 3. 입력창 영역 */
#login-inputs {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.input-group {
    width: 100%;
    display: flex;
    flex-direction: column;
}

h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 10px;
    color: #333;
    text-align: left;
}

input[type="text"],
input[type="password"] {
    width: 100%;
    height: 48px;
    padding: 0 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 15px;
    outline: none;
    box-sizing: border-box; /* 패딩 포함 너비 계산 */
}

input:focus {
    border-color: #452829;
}

/* 아이디 저장 체크박스 */
.save-id {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    margin-top: 10px;
    cursor: pointer;
}

/* 4. 로그인 버튼 */
#login-btn {
    width: 100%;
    height: 60px;
    background-color: #452829;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 18px;
    font-weight: 700;
    margin-top: 30px;
    cursor: pointer;
}

#login-btn:hover {
    background-color: #2d1a1b;
}

/* 5. 아이디/비밀번호 찾기 영역 */
.search-area {
    margin-top: 30px;
    display: flex;
    gap: 15px;
    font-size: 14px;
    color: #666;
}

.search-area a {
    text-decoration: none;
    color: #666;
}

.search-area a:hover {
    text-decoration: underline;
    color: #452829;
}

.divider {
    color: #ddd;
}

/* ================================================
   반응형 미디어 쿼리 (4단계)
================================================ */

/* --- Tablet (768px ~ 1199px) --- */
@media (max-width: 1199px) {
    main {
        max-width: 700px;
    }
}

/* --- Mobile L (480px ~ 767px) --- */
@media (max-width: 767px) {
    main {
        max-width: 95%;
        margin: 36px auto;
        padding: 0 16px;
    }

    h1 {
        font-size: 26px;
        margin-bottom: 36px;
    }

    #login {
        width: 100%;
    }

    #login-btn {
        height: 52px;
        font-size: 16px;
    }

    .search-area {
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
    }
}

/* --- Mobile S (~ 479px) --- */
@media (max-width: 479px) {
    main {
        margin: 24px auto;
        padding: 0 12px;
    }

    h1 {
        font-size: 22px;
        margin-bottom: 28px;
    }

    input[type="text"],
    input[type="password"] {
        height: 44px;
        font-size: 14px;
    }

    #login-btn {
        height: 48px;
        font-size: 15px;
        margin-top: 24px;
    }

    .search-area {
        font-size: 13px;
    }
}