/* 로그인/회원가입 페이지 스타일 */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-box {
    background-color: #fff;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    width: 100%;
    max-width: 400px;
}

.login-box h1 {
    text-align: center;
    margin-bottom: 30px;
    color: #4a90e2;
}

.tab-container {
    display: flex;
    margin-bottom: 30px;
    border-bottom: 2px solid #eee;
}

.tab-btn {
    flex: 1;
    padding: 15px;
    border: none;
    background: none;
    cursor: pointer;
    font-size: 16px;
    color: #666;
    border-bottom: 2px solid transparent;
    transition: all 0.3s;
}

.tab-btn.active {
    color: #4a90e2;
    border-bottom: 2px solid #4a90e2;
}

.auth-form {
    display: none;
}

.auth-form.active {
    display: block;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    color: #333;
    font-weight: 500;
}

.btn-block {
    width: 100%;
    padding: 12px;
    font-size: 16px;
    margin-top: 10px;
}

.back-link {
    text-align: center;
    margin-top: 20px;
}

.back-link a {
    color: #4a90e2;
    text-decoration: none;
}

.back-link a:hover {
    text-decoration: underline;
}

/* input 스타일 추가 */
.auth-form input {
    width: 100%;
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 15px;
    outline: none;
    box-sizing: border-box;
    transition: all 0.2s ease;
}

/* 포커스(입력 중) 스타일 */
.auth-form input:focus {
    border-color: #4a90e2;
    box-shadow: 0 0 3px rgba(74,144,226,0.5);
}