/* Reset básico */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

/* Fondo de la página */
body {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, #4a90e2, #59e3c2);
}

/* Wrapper centrado */
.login-wrapper {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

/* Caja del login */
.login-box {
    background: #fff;
    padding: 30px 20px;
    border-radius: 12px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.2);
    width: 100%;
}

/* Título */
.login-box h2 {
    text-align: center;
    margin-bottom: 20px;
    color: #333;
}

/* Grupos de input */
.input-group {
    margin-bottom: 15px;
    display: flex;
    flex-direction: column;
}

.input-group label {
    margin-bottom: 5px;
    font-weight: bold;
    color: #555;
}

.input-group input {
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 8px;
    font-size: 14px;
}

/* Botón */
.btn-login {
    width: 100%;
    padding: 12px;
    background-color: #4a90e2;
    border: none;
    border-radius: 8px;
    color: white;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.btn-login:hover {
    background-color: #357ab8;
}

/* Mensajes */
.messages {
    margin-top: 15px;
    text-align: center;
}

.error {
    color: #e74c3c;
}

.success {
    color: #27ae60;
}

/* Responsive */
@media (max-width: 500px) {
    .login-box {
        padding: 20px 15px;
    }

    .btn-login {
        font-size: 14px;
        padding: 10px;
    }

    .input-group input {
        font-size: 13px;
        padding: 8px;
    }
}