/* Fuente moderna */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600&display=swap');

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, #4a90e2, #9013fe);
    height: 100vh;
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #333;
}

/* Caja centrada */
form, .login-container {
    width: 350px;
    padding: 30px;
    background: #ffffffcc;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.2);
    backdrop-filter: blur(10px);
}

h1 {
    text-align: center;
    font-weight: 600;
    margin-bottom: 25px;
    color: #fff;
    text-shadow: 0 2px 8px rgba(0,0,0,0.4);
}

/* Inputs */
input[type="text"],
input[type="password"] {
    width: 100%;
    padding: 12px;
    margin-top: 8px;
    border-radius: 8px;
    border: 1px solid #ccc;
    font-size: 15px;
    transition: 0.3s;
}

input:focus {
    border-color: #4a90e2;
    outline: none;
    box-shadow: 0 0 8px rgba(74,144,226,0.4);
}

/* Botones */
button {
    width: 100%;
    padding: 12px;
    background: #4a90e2;
    border: none;
    color: white;
    font-size: 16px;
    margin-top: 12px;
    border-radius: 8px;
    cursor: pointer;
    transition: 0.3s;
}

button:hover {
    background: #357ab7;
    transform: translateY(-2px);
}

/* Botón secundario */
button.secondary {
    background: #7b51d6;
}

button.secondary:hover {
    background: #643bb6;
}

/* Lista de errores */
ul {
    background: #ffdddd;
    padding: 10px 15px;
    border-left: 4px solid red;
    border-radius: 6px;
    list-style: none;
}