/* Reset básico */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    background: linear-gradient(to right, #6a11cb, #2575fc);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
}

.login-box {
    width: 100%;
    padding: 20px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.login-box h1 {
    margin-bottom: 20px;
    color: #333;
    text-align: center;
}

.textbox {
    position: relative;
    margin-bottom: 20px;
}

.textbox input,
.textbox select {
    width: 100%;
    padding: 10px;
    border: none;
    border-bottom: 2px solid #333;
    background: transparent;
    outline: none;
    font-size: 16px;
    color: #333;
}

.textbox input::placeholder {
    color: #666;
}

.textbox select {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background: transparent;
    color: #666;
}

.textbox select option {
    color: #333;
}

.btn {
    width: 100%;
    padding: 10px;
    background: #6a11cb;
    border: none;
    border-radius: 5px;
    color: #fff;
    font-size: 16px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.btn:hover {
    background: #2575fc;
}