.wrapper {
    width: 400px;
    margin: 70px auto;
    padding: 0;
}
.wrapper h2 {
    margin-bottom: 10px;
    font-size: 28px;
    font-weight: bold;
    text-align: center;
}
.wrapper h5 {
    margin-bottom: 35px;
    text-align: center;
    color: #888;
    font-size: 14px;
    font-weight: normal;
}

.input-box { margin-bottom: 22px; }
.input-box label {
    display: block;
    margin-bottom: 8px;
    font-size: 15px;
    font-weight: bold;
}
.input-box input {
    width: 100%;
    height: 46px;
    padding: 0 14px;
    border: 1px solid #ddd;
    border-radius: 6px;
    box-sizing: border-box;
    font-size: 14px;
}
.input-box input::placeholder { color: #aaa; }
.input-box input:focus {
    border-color: #888;
    outline: none;
}

.login-btn { margin-top: 28px; }
.login-btn button {
    width: 100%;
    height: 46px;
    border: none;
    border-radius: 6px;
    background-color: #18181b;
    color: #fff;
    font-size: 15px;
    cursor: pointer;
}
.login-btn button:hover { background-color: #000; }

.signup-btn {
    margin-top: 30px;
    text-align: center;
    font-size: 14px;
}
.signup-btn span { color: #555; }
.signup-btn a {
    margin-left: 4px;
    color: #6ea8fe;
    text-decoration: none;
    font-weight: bold;
}
.signup-btn a:hover { color: royalblue; }

.login-error { margin-bottom: 20px; }
.login-error p {
    margin: 0;
    color: #dc3545;
    text-align: center;
    font-size: 14px;
}